-
1 - SELF - TAPPING SCREWSHeadTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160Thread,LengthTolerancesandMechanicalProperties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161RecommendedHoleSizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
2 - TYPE U HAMMERDRIVE SCREWSHead,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
3 - SELF - DRILLING SCREWSHeadDimensions,DrillingRangeandRecessSizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
4 - THREAD ROLLING SCREWS FOR METAL APPLICATIONSTAP-FIX®-METRIC .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165TAP-FIX®-UNIFIED .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
5 - ROLLED THREAD MACHINE SCREWSMETRICSeries-HeadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 UNIFIEDSeries-HeadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
6 - SCREWS FOR PLASTICPlas-Fix®45 .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169Plas-Fix®60 .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170Plas-Tech®30 .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171Polymate®40 .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172TypeBTScrews .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173TypeYScrews .Head,ThreadandLengthTolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174High-LowScrews .HeadandThreadDimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
8 - RIVET BUSHESRivetBushes-Round . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176RivetBushes-Hexagon . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177RivetBushes-Mini-sert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
9 - SELF - CLINCHING FASTENERSClinchNuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179ClinchFlushNuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180ClinchBlindStandoffs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180ClinchThroughStandoffs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181ClinchStuds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 ClinchStuds-HighStrengthNonFlush . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
10 - K- SERIES SETZMUTTERN StandardSpigot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183IntermediateSpigot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184LongSpigot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
11 - CD WELD STUDS Threaded-TypePT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185Unthreaded-TypeUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185InternallyThreaded-TypeIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186CoarseThreaded-TypeCT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
12 - Brass Inserts for Plastic Sonic-Fix(UnheadedandHeaded)&Tech-Fix(Unheaded) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187Heat-Fix(UnheadedandHeaded)&Fin-Fix(UnheadedandHeaded) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188Spirol-Fix(UnheadedandHeaded)&Expansion-Fix(Unheaded&Headed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189Thread-Fix(UnheadedandHeaded)&Flow-Fix(Headed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Terms and Conditions for the Sale of Goods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Technical DataPage
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Self-Tapping Screws
ManufacturingStandardsforHead Tolerances
*Maxcountersunkheaddiametersaretheoreticaldiametersofheadtosharpcornersandarethediametertowhichholesshouldbecountersunktoenablethescrewheadstofitflushwiththesurface.
Tolerances to BS 4174
Tolerances to DIN 267
Tolerances to ISO 4759/1
TECHNICALDATA1
DEPTHREF
Self Tapping ScrewsGimlet PointGimlet point self-tapping screws have various references depending on the standard.BS 4174 referred to as Type ABDIN 7970 referred to as Type BISO 1478 referred to as Type C
Self Tapping ScrewsBlunt PointBlunt point self-tapping screws have various references depending on the standard.BS 4174 referred to as Type BDIN 7970 referred to as Type BZISO 1478 referred to as Type F
160
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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Self-Tapping Screws
ManufacturingStandardsforThread, Length Tolerances and Mechanical Properties
TECHNICALDATA1
Dimensions in Millimetres
Self Tapping ScrewsGimlet PointGimlet point self-tapping screws have various references depending on the standard.BS 4174 referred to as Type ABDIN 7970 referred to as Type BISO 1478 referred to as Type C
Self Tapping ScrewsBlunt PointBlunt point self-tapping screws have various references depending on the standard.BS 4174 referred to as Type BDIN 7970 referred to as Type BZISO 1478 referred to as Type F
161
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
ING
SC
REW
SRO
LLED
TH
REA
D
MA
CHIN
E SC
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SSC
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S FO
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AST
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STEN
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FOR
SH
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MET
AL
CD W
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STU
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TECH
NIC
AL
DAT
AB
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INSE
RTS
FO
R PL
AST
IC
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Self-Tapping Screws
Recommended Hole Sizes
Duetothevarietyofthehardnessofmetalsandthedifferentoperatingconditions,itmaybefoundnecessarytovarythesedimensionswhichshouldbeusedonlyasaguide.
TECHNICALDATA1
162
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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Type U Hammer Drive Screws
Head, Thread and Length Tolerances
TECHNICALDATA2
Dimensions in Inches
Dimensions in Millimetres
ManufacturingStandardBS4174
163
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
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SC
REW
SRO
LLED
TH
REA
D
MA
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SSC
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S FO
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AST
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STEN
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FOR
SH
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AL
CD W
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STU
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TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
R PL
AST
IC
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Self-Drilling Screws
Head Dimensions, Drilling Range and Recess Sizes
TECHNICALDATA3
Dimensions in Millimetres
RECESS SIZE
C/R H SQ-DRIVE T-DRIVE
1 - T10
2 1 T152 2 T15
2 2 T20
2 - T25
3 - T27
3 - T30
DIN 7504 - N DIN 7504 - P
Pan Csk (80˚) Flange
DIN 7504Similar
Raised Csk (80o)
ManufacturingStandardDIN7504
SELF-DRILLING SCREWS WITH WINGS AND UNDERHEAD RIBS
GA
UG
E
ME
TR
IC
ME
TR
IC
GA
UG
EDRILL POINT
DRILL LENGTH
8 4.2 2 4 .50-5 .50 4.2 8
10 4.8* 2 4 .50-5 .50 4.8* 10
10 4.8** 3 6 .00-7 .00 4.8** 10
12 5.5 3 7 .00-8 .00 5.5 12
14 6.3 3 8 .00-8 .00 6.3 14
4.8* - Screw Lengths under 13mm (INCL.)4.8** - Screw Lengths over 13mm
164
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA4
Dimensions in Millimetres
Tap-Fix® Screws
Head, Thread and Length Tolerances
METRICSeriesThreadRollingScrewsforMetalApplications
HEX
Indented Washer Hex (Form D Equiv.) Socket Cap (Form E Equiv.)
A/F Max. Depth Max.WASHER
DIA. MAX.TOTAL
DEPTH MAX.
5.0
-
-
-
-
-
-
-
-
1.90 6.30 2.40
- - - -
5.5/7 2.80/3.20 8.30/8.80 3.50/4.10
8 3.40 10.40 4.50
10 4.00 13.00 5.20
13 5.60 16.90 7.00
17 22.10 9.00
-
DEPTHMAX. T-DRIVE A/F
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
7.22
8.72
10.22
13.27
16.27
4.00
5.00
6.00
8.00
10.00
T20
T25
T30
T40
T50
3.00
4.00
5.00
6.00
8.00
Pan FORM C DIN 7985
7.16
Csk (90˚) FORM C DIN 965
Pozi Pozi
Cp
METRICSeriesThreadandHeadsto
DIN7500
165
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
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DIN
750
0 TH
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AST
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CD W
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RTS
FO
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AST
IC
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Tap-Fix® Screws
Head, Thread and Length Tolerances
TECHNICALDATA4
UNIFIEDSeriesThreadRollingScrewsforMetalApplications
UNIFIEDSeries
Pan
Cp
Csk (80˚)
PoziPozi
Dimensions in Inches
166
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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Rolled Thread Machine Screws
Head and Length Tolerances
TECHNICALDATA5
METRICSeries
SCRE
W S
IZE LENGTH TOLERANCES
SCRE
W S
IZE
NOM LENGTH MM TOL. MM
M2
- M10
4mm to 6mm ±0.25
M2
- M10
8mm to 10mm ±0.30
12mm to 18mm ±0.35
20mm to 30mm ±0.40
35mm to 50mm ±0.50
55mm to 80mm ±1.00
85mm to 100mm ±1.15
Dimensions in Millimetres
SCRE
W S
IZE
SCRE
W S
IZE
DIA.MAX.
DEPTHMAX.
RECESS DIA.MAX.
DEPTHREF.
RECESS
Pozi T-Drive Pozi T-Drive
M1.6 3.20 1.42 0 T5 3.00 0.96 0 T5 M1.6
M2 4.00 1.72 1 T6 3.80 1.20 1 T6 M2
M2.5 5.00 2.12 1 T8 4.70 1.50 1 T8 M2.5
M3 6.00 2.52 1 T10 5.60 1.65 1 T10 M3
M3.5 7.00 2.82 2 T15 6.50 1.93 2 T15 M3.5
M4 8.00 3.25 2 T20 7.50 2.20 2 T20 M4
M5 10.00 3.95 2 T25 9.20 2.50 2 T25 M5
M6 12.00 4.75 3 T30 11.00 3.00 3 T30 M6
M8 16.00 6.15 4 T40 14.50 4.00 4 T40 M8
PAN DIN 7985 CSK DIN 965
HEAD DIMENSIONS
167
SELF
-TA
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GSC
REW
SD
IN 7
504
SELF
-DRI
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G
SCRE
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DIN
750
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IC
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Rolled Thread Machine Screws
Head and Length Tolerances
TECHNICALDATA5
UNIFIEDSeriesUNC
0.492 0.175 3 0.507 0.153 3
0.373 0.133 2 0.385 0.116 2
0.322 0.115 2 0.332 0.100 2
0.270 0.097 2 0.279 0.083 2
0.219 0.080 1 0.225 0.067 1
0.167 0.062 1 0.172 0.051 1
DIA. MAX.
DEPTH MAX.
RECESS Pozi
PAN ANSI B1.1
RECESSPozi
CSK ANSI B1.1
HEAD DIMENSIONS
DEPTH REF.
DIA. MAX.
1/4-20
10-24
8-32
6-32
4-40
2-56
1/4-20
10-24
8-32
6-32
4-40
2-56
SCRE
W S
IZE
SCRE
W S
IZE
SCRE
W S
IZE LENGTH TOLERANCES
SCRE
W S
IZE
NOM LENGTH INCHES TOL. INCHES
2-56
UNC
- 1/
4-20
UNC 3/16” - 1” + .00- .03
2-56
UNC
- 1/
4-20
UNC
1 1/8” - 1 1/4” + .00- .06
Dimensions in Inches
168
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA6
Plas-Fix® Screws
Head, Thread and Length Tolerances
METRICSeriesThreadRollingScrewsforPlasticApplications
Typical Soft Plastics: NYLON, ABSTypical Hard Plastics: POLYCARBONATE & MODIFIED PPO
Dimensions in Millimetres
Pozi Pozi Pozi
Pan Csk (90˚) Flange
1 1
6 x 2.5 10.0 3.5 2 T25 10.0 2.5 T25 12.0 2.9 T25
6 x 2.5 6.06 5.91 5.95 5.80 4.55 5.0510.6
METRICSeries45˚Thread
v
45o
169
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
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DIN
750
0 TH
REA
D R
OLL
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SC
REW
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TH
REA
D
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REW
SSC
REW
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AST
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STEN
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FOR
SH
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MET
AL
CD W
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STU
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TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
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AST
IC
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Plas-Fix® Screws
Head, Thread and Length Tolerances
TECHNICALDATA6
INCHSeriesThreadRollingScrewsforPlasticApplications
Dimensions in Inches
Typical Soft Plastics: NYLON, ACETAL, ABSTypical Hard Plastics: INCLUDE GLASS FILLED VARIETIES, DMC AND IN CERTAIN CASES
PHENOLICS AND SIMILAR
Pozi Pozi Pozi
Pan Csk (80˚) Flange
INCHSeries60˚Thread
v60o
170
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA6
Dimensions in Millimetres
Plas-Tech® 30 Screws
Head, Thread and Length Tolerances
METRICSeriesThreadFormingScrewsforPlasticApplications
Typical Soft Plastics: NYLON, ABSTypical Hard Plastics: POLYCARBONATE & MODIFIED PPO
d1 d
6.0 x 2.69 6.20 6.00 3.19 4.20 4.50 4.80 5.10
METRICSeries30˚Thread
v
30o
METRIC SERIES HEAD DIMENSIONS
SCRE
W S
IZE
SCRE
W S
IZE
Pan Csk (90º) Flange
DIA. MAX DEPTH MAX RECESS SIZE AbsoluteMax. Dia.(Sharp Edge)
DEPTHREF
RECESS SIZEDIA.MAX
DEPTHMAX
RECESS SIZE
Pozi T-Drive Pozi T-Drive Pozi T-Drive Pozi T-Drive Pozi T-Drive
2.2 x 0.98 3 .90 - 1 .50 - 1 T6 3 .80 1 .30 1 T6 4 .40 1 .60 1 T6 2.2 x 0.98
2.5 x 1.12 4 .40 4 .20 1 .70 1 .60 1 T7 4 .70 1 .75 1 T8 5 .00 1 .80 1 T6 2.5 x 1.12
3.0 x 1.34 5 .30 5 .60 2 .00 2 .10 1 T10 5 .50 2 .05 1 T8 6 .00 2 .10 1 T10 3.0 x 1.34
3.5 x 1.57 6 .10 6 .90 2 .50 2 .30 2 T10 7 .30 2 .80 2 T15 7 .00 2 .40 2 T10 3.5 x 1.57
4.0 x 1.79 7 .00 7 .50 2 .70 2 .60 2 T20 8 .40 3 .25 2 T20 8 .00 2 .50 2 T20 4.0 x 1.79
5.0 x 2.24 8 .80 - 3 .40 - 2 T20 9 .30 3 .40 2 T20 10 .00 3 .20 2 T20 5.0 x 2.24
6.0 x 2.69 10 .50 - 4 .00 - 3 T25 11 .30 3 .80 2 T30 12 .00 4 .00 3 T25 6.0 x 2.69
171
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
ING
SC
REW
SRO
LLED
TH
REA
D
MA
CHIN
E SC
REW
SSC
REW
S FO
R PL
AST
ICFA
STEN
ERS
FOR
SH
EET
MET
AL
CD W
ELD
STU
DS
TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
R PL
AST
IC
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Polymate® Screws
Head, Thread and Length Tolerances
TECHNICALDATA6
METRICSeriesThreadFormingScrewsforPlasticApplications
Hole sizes are shown for guidance only
Typical Soft Plastics: NYLON, ABSTypical Hard Plastics: POLYCARBONATE & MODIFIED PPO
d1 d
Dimensions in Millimetres
METRIC SERIESHEAD DIMENSIONS
SCRE
W S
IZE
SCRE
W S
IZE
PAN CSK Flange
DIA.MAX.
DEPTHMAX.
RECESS ABSOLUTEMAX. DIA.
(SharpEdge)
DEPTHREF.
RECESS DIA.MAX.
DEPTHMAX.
RECESS
Pozi T-Drive Pozi T-Drive Pozi T-Drive
3.0 x 1.20 5.60 2.20 1 T10 6.00 1.50 1 T8 6.00 2.22 1 T10 3.0 x 1.20
3.5 x 1.40 6.90 2.60 2 T10 7.00 1.85 2 T15 7.00 2.52 2 T10 3.5 x 1.40
4.0 x 1.60 7.50 2.80 2 T20 8.00 2.10 2 T20 8.00 2.62 2 T20 4.0 x 1.60
5.0 x 2.00 9.50 3.55 2 T20 10.00 2.60 2 T20 10.00 3.35 2 T20 5.0 x 2.00
6.0 x 2.40 10.80 3.95 3 T25 12.00 3.10 3 T25 12.00 4.15 3 T25 6.0 x 2.40
THREAD STANDARDS & HOLE SIZES
SCRE
W S
IZE BODY DIAMETER SUGGESTED HOLE SIZES
d d1ABS NYLON POLY PROP
POLY CARBMAX MIN NOM
3.0 x 1.20 3.00 2.85 1.50 2.75 2.60 2.50 2.75
3.5 x 1.40 3.50 3.35 2.00 3.35 3.15 3.05 3.35
4.0 x 1.60 4.00 3.85 2.20 3.65 3.55 3.55 3.65
5.0 x 2.00 5.00 4.85 2.70 4.35 4.40 4.25 4.55
6.0 x 2.40 6.00 5.85 3.70 5.35 5.20 5.80 5.35
LENGTH TOLERANCES
NOMSIZE
NOMLENGTH
MM
TOLMM
2.5 - 5.0
UP TO 10.00+0.00 / -0.80
10.00 to 20.00
OVER 20.00 +0.00 / -1.30
6.0 All lengths +0.00 / -1.30
METRICSeries40˚TwinThread
v40o
172
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA6
Type BT Thread Cutting Screws
Head and Thread Dimensions and Recommended Hole Sizes
*Maxcountersunkheaddiametersaretheoreticaldiametersofheadtosharpcornersandarethediametertowhichholesshouldbecountersunktoenablethescrewheadstofitflushwiththesurface.
Dimensions in Millimetres
POZIPan Flange Csk (80˚)
Dimensions in Millimetres
ManufacturingStandardBS4174
173
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
ING
SC
REW
SRO
LLED
TH
REA
D
MA
CHIN
E SC
REW
SSC
REW
S FO
R PL
AST
ICFA
STEN
ERS
FOR
SH
EET
MET
AL
CD W
ELD
STU
DS
TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
R PL
AST
IC
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Type Y Thread Cutting Screws
Head and Thread Dimensions and Recommended Hole Sizes
TECHNICALDATA6
*Maxcountersunkheaddiametersaretheoreticaldiametersofheadtosharpcornersandarethediametertowhichholesshouldbecountersunktoenablethescrewheadstofitflushwiththesurface.
Dimensions in Millimetres
POZIPan Flange Csk (80˚)
ManufacturingStandardBS4174
174
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA6
Dimensions in Millimetres
High-Low Threadforming Screws
Head and Thread Dimensions and Recommended Hole Sizes
*Countersunkheaddiametersaretheoreticaldiametersofheadtosharpcornersandarethediametertowhichholesshouldbecountersunktoenablethescrewheadstofitflushwiththesurface.
Dimensions in MillimetresN .B .AstherearenoBSStandardsforHIGH-LOWheadsizes,theyaregenerallyoffered1diametersmallerthanself-tappingscrews .However,thisshouldbecheckedpriortoorderingifthisfactorisimportant .
Tolerances to DIN 267
PO
ZI
Pan Flange Csk (80˚)
175
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
ING
SC
REW
SRO
LLED
TH
REA
D
MA
CHIN
E SC
REW
SSC
REW
S FO
R PL
AST
ICFA
STEN
ERS
FOR
SH
EET
MET
AL
CD W
ELD
STU
DS
TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
R PL
AST
IC
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TECHNICALDATA8
Rivet Bushes
Round
Torsional Resistance in ‘Nm’ (Newton Meters) Pull Out in ‘N’ (Newtons)
1.0mm (20swg)
1.2mm (18swg)
1.5/1.6mm (16swg)
2.0mm (14swg)
2.5mm (12swg)
3.0mm (10swg)
1.0mm (20swg)
1.2mm (18swg)
1.5/1.6mm (16swg)
2.0mm (14swg)
2.5mm (12swg)
3.0mm (10swg)
M3 3 .2 3 .9 4 .4 4 .7 5 .6 6 .9 1649 1730 1741 1810 1950 2021M4 7 .0 7 .9 8 .4 9 .8 9 .4 9 .6 2610 2716 2841 3250 3271 2124M5 9 .2 10 .4 11 .6 13 .0 16 .0 17 .2 3620 3551 3829 4210 4310 4400M6 16 .2 16 .8 18 .9 24 .2 25 .4 28 .3 3944 4418 4715 5230 5145 5010M8 25 .4 26 .9 33 .2 34 .4 34 .7 39 .2 4740 4885 5374 5489 6219 6384M10 32 .8 38 .4 41 .8 42 .9 45 .3 48 .9 4936 5245 5490 5820 6481 6539
TestResults*
* Thesetestshavebeenconductedusingsteelproductincoldrolledsteel,inacontrolledtestenvironment .Theseperformancefiguresshouldbeusedforguidanceonly .
TechnicalData
Thread Form Range
METRIC M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12
BSW/F - 1/8” - 5/32” 3/16” 1/4” 5/16” 3/8” 1/2”
BA 8 6,5 4 3 2 0 - - -
UNC 2 4 6 8 10 1/4” 5/16” 3/8” 1/2”
UNF 2 4 6 8 10 1/4” 5/16” 3/8” 1/2”
Diameter of spigot + 0.00mm - 0.13mm A
METRIC 5 .54 5 .54 6 .73 6 .73 7 .92 9 .52 12 .70 15 .87 19 .05
IMPERIAL .218 .218 .265 .265 .312 .375 .500 .625 .750
Diameter of body +/- 0.13mm B
METRIC 7 .92 7 .92 9 .52 9 .52 11 .10 12 .70 15 .87 19 .05 25 .40
IMPERIAL .312 .312 .375 .375 .437 .500 .625 .750 1 .000
Depth of body + / - 0.13mm C
METRIC 3 .17 3 .17 3 .17 3 .17 3 .81 5 .08 6 .35 7 .62 10 .16
IMPERIAL .125 .125 .125 .125 .150 .200 .250 .300 .400
Recommended hole size + 0.05mm - 0.00mm
METRIC 5 .54 5 .54 6 .73 6 .73 7 .92 9 .52 12 .70 15 .87 19 .05
IMPERIAL .218 .218 .265 .265 .312 .375 .500 .625 .750
B A
C
How Rivet Bushes Work
Sheet
ProfiledPunch
Anvil
RivetBushescanbeinstalledusingavarietyofmethods,ideallyapressincorporatingaprofilepunch .However,theycanbeinstalledusingasimplehammerandballbearing .
176
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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Hexagon
TECHNICALDATA8
Rivet Bushes
Thread Form Range
METRIC M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12
BSW/F - 1/8” - 5/32” 3/16” 1/4” 5/16” 3/8” 1/2”
BA 8 6,5 4 3 2 0 - - -
UNC 2 4 6 8 10 1/4” 5/16” 3/8” 1/2”
UNF 2 4 6 8 10 1/4” 5/16” 3/8” 1/2”
Diameter of spigot + 0.00mm - 0.13mm A
METRIC 5 .54 5 .54 6 .73 6 .73 7 .92 9 .52 12 .70 15 .87 19 .05
IMPERIAL .218 .218 .265 .265 .312 .375 .500 .625 .750
Width across flats +/- 0.115m B
METRIC 7 .92 7 .92 7 .92 7 .92 9 .52 11 .10 14 .27 19 .05 22 .22
IMPERIAL .312 .312 .312 .312 .375 .437 .562 .750 .875
Depth of body + / - 0.13mm C
METRIC 3 .17 3 .17 3 .17 3 .17 3 .81 5 .08 6 .35 7 .62 10 .16
IMPERIAL .125 .125 .125 .125 .150 .200 .250 .300 .400
Recommended hole size + 0.05mm - 0.00mm
METRIC 5 .54 5 .54 6 .73 6 .73 7 .92 9 .52 12 .70 15 .87 19 .05
IMPERIAL .218 .218 .265 .265 .312 .375 .500 .625 .750
TestResults*
TechnicalData
How Rivet Bushes Work
Sheet
ProfiledPunch
Anvil
RivetBushescanbeinstalledusingavarietyofmethods,ideallyapressincorporatingaprofilepunch .However,theycanbeinstalledusingasimplehammerandballbearing .
* Thesetestshavebeenconductedusingsteelproductincoldrolledsteel,inacontrolledtestenvironment .Theseperformancefigures
shouldbeusedforguidanceonly .
B A
C
Torsional Resistance in ‘Nm’ (Newton Meters) Pull Out in ‘N’ (Newtons)
1.0mm (20swg)
1.2mm (18swg)
1.5/1.6mm (16swg)
2.0mm (14swg)
2.5mm (12swg)
3.0mm (10swg)
1.0mm (20swg)
1.2mm (18swg)
1.5/1.6mm (16swg)
2.0mm (14swg)
2.5mm (12swg)
3.0mm (10swg)
M3 3 .1 4 .0 4 .2 4 .8 5 .6 6 .8 1656 1720 1748 1822 1945 2016M4 7 .3 8 .0 8 .2 9 .4 9 .4 9 .7 2640 2710 2814 3223 3287 3156M5 9 .8 10 .1 11 .5 13 .2 15 .9 17 .1 3514 3584 3820 4199 4208 4357M6 16 .1 17 .0 19 .2 23 .9 25 .6 28 .4 3920 4425 4690 5210 5120 5040M8 25 .9 27 .1 34 .0 34 .6 35 .1 38 .9 4710 4916 5360 5480 6210 6387
M10 32 .3 37 .2 42 .3 43 .8 44 .8 49 .8 4982 5210 5560 5810 6490 6538
177
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
ING
SC
REW
SRO
LLED
TH
REA
D
MA
CHIN
E SC
REW
SSC
REW
S FO
R PL
AST
ICFA
STEN
ERS
FOR
SH
EET
MET
AL
CD W
ELD
STU
DS
TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
R PL
AST
IC
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TECHNICALDATA8
Rivet Bushes
Round - Mini-sert
Thread Form Range
METRIC M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12
BSW/F - - 1/8” - 5/32” 3/16” 1/4” 5/16” 3/8” 1/2”
BA 8 - 6,5 4 3 2 0 - - -
UNC 2 - 4 6 8 10 1/4” 5/16” 3/8” 1/2”
UNF 2 - 4 6 8 10 1/4” 5/16” 3/8” 1/2”
Diameter of spigot+ 0.00mm - 0.13mm A
METRIC 3 .50 4 .19 4 .19 5 .41 5 .41 6 .40 7 .70 9 .70 12 .70 15 .87
IMPERIAL .138 .165 .165 .213 .213 .252 .303 .382 .500 .625
Diameter of body+/- 0.15mm B
METRIC 5 .00 5 .50 5 .50 7 .00 7 .00 8 .50 10 .00 12 .00 16 .00 19 .00
IMPERIAL .197 .217 .217 .276 .276 .335 .394 .472 .625 .750
Depth of body+ / - 0.13mm C
METRIC 2 .30 2 .80 2 .80 3 .20 3 .20 3 .80 5 .10 6 .50 7 .60 10 .20
IMPERIAL .097 .110 .110 .126 .126 .150 .201 .256 .300 .400
Recommended hole size+ 0.05mm - 0.00mm
METRIC 3 .50 4 .19 4 .19 5 .41 5 .41 6 .40 7 .70 9 .70 12 .70 15 .87
IMPERIAL .138 .165 .165 .213 .213 .252 .303 .382 .500 .625
Torsional Resistance in ‘Nm’ (Newton Meters) Pull Out in ‘N’ (Newtons)
1.0mm (20swg)
1.2mm (18swg)
1.5/1.6mm (16swg)
2.0mm (14swg)
2.5mm (12swg)
3.0mm (10swg)
1.0mm (20swg)
1.2mm (18swg)
1.5/1.6mm (16swg)
2.0mm (14swg)
2.5mm (12swg)
3.0mm (10swg)
M3 1 .2 1 .4 1 .8 2 .0 2 .2 2 .3 1126 1284 1592 1693 1710 1792M4 2 .6 2 .9 3 .4 4 .0 4 .4 4 .6 1599 1689 1784 2004 2216 2380M5 5 .1 5 .3 5 .5 5 .8 6 .1 6 .4 1902 2203 2428 2607 2698 2693M6 6 .7 6 .8 7 .9 9 .6 9 .6 9 .8 2372 2487 2610 2692 2716 2784M8 8 .8 9 .3 9 .7 10 .4 10 .5 11 .7 2684 2711 2792 2869 2981 3311
TestResults*
TechnicalData
B A
C
* Thesetestshavebeenconductedusingsteelproductincoldrolledsteel,inacontrolledtestenvironment .Theseperformancefigures
shouldbeusedforguidanceonly .
How Rivet Bushes Work
Sheet
ProfiledPunch
Anvil
RivetBushescanbeinstalledusingavarietyofmethods,ideallyapressincorporatingaprofilepunch .However,theycanbeinstalledusingasimplehammerandballbearing .
178
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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Clinch Nuts
TECHNICALDATA9
Self-Clinching Fasteners
How Self-Clinching Fasteners Work
Sheet Anvil
Punch
SelfClinchingfastenersmustbesqueezedintoplacebyapplyingaconstantsqueezingactionandnotablow(orTrauma)typeforce .Inshort,anautomatedpressofsometypemustbeusedforinstallation .
Nut
Thread & Pitch Code
D Max
B +/- 0.2
H + / 0.1
h max
Minimum Rec. Sheet Thickness
Hole Size + 0.08 - 0.00
Minimum Distance to edge of Sheet
Met
ric
(dim
ensi
ons
in ‘m
m’)
M2.5 0.45
-04 .22 6 .3 1 .5
0 .77 0 .8-14 .25 4 .8-1 0 .97 1 .0
-2 1 .38 1 .4
M3 0.5
-04 .22 6 .3 1 .5
0 .76 0 .84 .25 4 .8-1 0 .97 1 .0
-2 1 .37 1 .4
M3 Alt* 0.5
-04 .73 7 .1 1 .5
0 .76 0 .84 .75 5 .6-1 0 .97 1 .0
-2 1 .37 1 .4
M3.5 0.6
-04 .73 7 .1 1 .5
0 .76 0 .84 .75 5 .6-1 0 .97 1 .0
-2 1 .37 1 .4
M4 0.7
-05 .38 7 .9 2 .0
0 .76 0 .85 .4 6 .9-1 0 .97 1 .0
-2 1 .37 1 .4
M5 0.8
-06 .38 8 .7 2 .0
0 .76 0 .86 .4 7 .1-1 0 .97 1 .0
-2 1 .37 1 .4
M6 1.0
-18 .72 11 .05 4 .1
1 .37 1 .48 .75 8 .6
-2 2 .21 2 .3
M8 1.25
-110 .44 12 .65 5 .5
1 .37 1 .410 .5 9 .7
-2 2 .21 2 .3
M10 1.5
-113 .97 17 .35 7 .48
2 .21 2 .3114 13 .5
-2 3 .05 3 .18
SteelSelfClinchNutsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB80 .StainlessSteelSelfClinchNutsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .ForSheetSteelwithagreaterhardness,RivetBushesarerecommended .
TechnicalData
Hh
BD
179
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
OLL
ING
SC
REW
SRO
LLED
TH
REA
D
MA
CHIN
E SC
REW
SSC
REW
S FO
R PL
AST
ICFA
STEN
ERS
FOR
SH
EET
MET
AL
CD W
ELD
STU
DS
TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
R PL
AST
IC
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TECHNICALDATA9
Self-Clinching Fasteners
Clinch Flush Nuts
Clinch Blind Standoffs
Thread & Pitch Code
D Max
B +/- 0.2
h max
Minimum Rec. Sheet Thickness
Hole Size + 0.08 - 0.00
Minimum Distance to edge of Sheet
Met
ric
(dim
ensi
ons
in ‘m
m’)
M2.5 0.45
-14 .35 4 .8
1 .5 1 .54 .4 6 .0
-2 2 .3 2 .4
M3 0.5
-14 .35 4 .8
1 .5 1 .54 .4 6 .0
-2 2 .3 2 .4
M3 Alt* 0.6
-15 .35 6 .4
1 .5 1 .55 .4 6 .5
-2 2 .3 2 .4
M3.5 0.6
-15 .35 6 .4
1 .5 1 .55 .4 6 .5
-2 2 .3 2 .4
M4 0.7
-17 .35 7 .9
1 .5 1 .57 .4 7 .2
-2 2 .3 2 .4
M5 0.8
-17 .85 9 .5
1 .5 1 .57 .9 8 .8
-2 2 .3 2 .4
M6 1.0
-38 .70 9 .5
3 .1 3 .28 .75 8 .8
(-4) 3 .9 4 .0
Thread & Pitch
C + 0.0 - 0.13
A Nom Length in mm + / - 0.20 Minimum Rec.
Sheet ThicknessHole Size
+ 0.08 - 0.00
Minimum Distance
toedge of SheetLength Codes 6 8 10 12 14 16 18 20 22 25
Met
ric (d
imen
sion
s in
‘mm
’) M3 0.5 4 .18 4 .8 6 8 10 12 14 16 18 20 22 25 1 .0 4 .2 6
M3 Alt 0.5 5 .39 6 .4 6 8 10 12 14 16 18 20 22 25 1 .0 5 .4 6 .8
M4 0.7 7 .10 7 .9 6 8 10 12 14 16 18 20 22 25 1 .3 7 .2 8
M5 0.8 7 .10 7 .9 6 8 10 12 14 16 18 20 22 25 1 .3 7 .2 8
Length (mm) 6 8 10 12 14 16 18 20 22 25
B’Dim .(min) n/a 4 5 6 .5 9 .5
SteelClinchBlindStandoffsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .StainlessSteelClinchBlindStandoffsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .ForSheetSteelwithagreaterhardness,RivetBushesarerecommended .
StainlessSteelClinchFlushNutsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .
TechnicalData
TechnicalData
Dimensions
B
H
D D
H
CODE 1 CODE 2& ABOVE
180
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
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SCREW
SD
IN 7504 SELF-D
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SCREW
SSELF-TA
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SCREWS
TECHN
ICAL D
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RASS IN
SERTS FO
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Clinch Through Standoffs
TECHNICALDATA9
Self-Clinching Fasteners
Clinch Studs
Thread& Pitch
C + 0.0- 0.13
D A Nom Length in mm + / - 0.20 Minimum Rec.Sheet Thickness
Hole Size+ 0.08 - 0.00
Minimum Distance
toedge of SheetLength Codes 6 8 10 12 14 16 18 20 22 25
Met
ric
(dim
ensi
ons
in ‘m
m’)
M2.50.5 4 .18 3 .2 3 .2 6 8 10 12 14 16 18 20 22 25 1 .0 4 .2 6M3 0.5 4 .18 3 .2 4 .8 6 8 10 12 14 16 18 20 22 25 1 .0 4 .2 6
M3 Alt0.5 5 .39 3 .2 6 .4 6 8 10 12 14 16 18 20 22 25 1 .0 5 .4 6 .8M40.7 7 .10 4 .8 7 .9 6 8 10 12 14 16 18 20 22 25 1 .3 7 .2 8M50.8 7 .10 5 .2 7 .9 6 8 10 12 14 16 18 20 22 25 1 .3 7 .2 8
Length (mm) 6 8 10 12 14 16 18 20 22 25
B’ Dim. (Nom) n/a 4 4 8 8 11 11
Metric (Dimensions in mm)
Thread Size
D + / - 0.4
H Max
Min Rec Sheet Thickness
Hole+ 0.08 - 0.0
Min Distance to edge of sheet
M2.5 4 .1 1 .95 1 .0 2 .5 5 .4
M3 4 .6 2 .1 1 .0 3 .0 5 .6
M4 5 .9 2 .4 1 .0 4 .0 7 .2
M5 6 .5 2 .7 1 .0 5 .0 7 .2
M6 8 .2 3 .0 1 .6 6 .0 7 .9
M8 9 .6 3 .7 2 .4 8 .0 9 .0
SteelClinchThroughStandoffsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .StainlessSteelClinchThroughStandoffsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .ForSheetSteelwithagreaterhardness,RivetBushesarerecommended .
TechnicalData
Dimensions
TechnicalData
SteelClinchStudsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .StainlessSteelClinchStudsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB70 .ForSheetSteelwithagreaterhardness,RivetBushesarerecommended .
181
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TECHNICALDATA9
Self-Clinching Fasteners
High Strength Clinch Studs - Non Flush
SteelHighStrengthClinchStudsaresuitableforuseinsheetsteelwithamaximumhardnessofHRB85 .
TechnicalData
D H
B L
Metric (Dimensions in mm)
Thread Size
D + / - 0.4
H Max
BMax
Min Rec Sheet Thickness
Hole+ 0.13 - 0.0
Min Distance to edge of sheet
M8 12 .5 3 .5 1 .78 2 .0 8 .0 12 .7
M10 15 .7 4 .1 2 .30 2 .4 10 .0 13 .7
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SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
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SCREW
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IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
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SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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Standard Spigot
TECHNICALDATA10
Metric (Dimensions in mm)
Thread Size h
Spigot LengthAcross
Flats A/FHole
Diameter d1 d2Material
Thicknessh 1
M2.5 3 .00 + / - 0.13 0 .90 + 0.00- 0.13 5 .50 + / - 0.1 4 .50 4 .50+ 0.05- 0.13 4 .70 + / - 0.13 1mm
M3 3 .00 + / - 0.13 0 .90 + 0.00- 0.13 5 .50 + / - 0.1 4 .50 4 .50+ 0.05- 0.13 4 .70 + / - 0.13 1mm
M4 3 .20 + / - 0.13 0 .90 + 0.00- 0.13 7 .00 + / - 0.1 5 .50 5 .50+ 0.05- 0.13 5 .70 + / - 0.13 1mm
M5 4 .00 + / - 0.13 0 .90 + 0.00- 0.13 8 .00 + / - 0.1 6 .50 6 .50+ 0.05- 0.13 6 .75 + / - 0.13 1mm
M6 5 .00 + / - 0.13 0 .90 + 0.00- 0.13 10 .00 + / - 0.1 8 .00 8 .00+ 0.05- 0.13 8 .30 + / - 0.13 1mm
M8 6 .50 + / - 0.15 1 .80 + 0.00- 0.15 13 .00 + / - 0.13 10 .00 10 .00+ 0.05- 0.15 10 .30 + / - 0.15 2mm
M10 8 .00 + / - 0.15 1 .80 + 0.00- 0.15 15 .00 + / - 0.13 12 .50 12 .50+ 0.05- 0.15 12 .85 + / - 0.15 2mm
M12 10 .00 + / - 0.15 2 .80 + 0.00- 0.15 17 .00 + / - 0.15 14 .50 14 .50+ 0.05- 0.15 14 .85 + / - 0.15 3mm
M16 13 .00 + / - 0.20 2 .40 + 0.00- 0.15 22 .00 + / - 0.20 18 .50 18 .50+ 0.05- 0.20 18 .85 + / - 0.20 3mm
M20 16 .00 + / - 0.20 3 .90 + 0.00- 0.20 27 .00 + / - 0.20 23 .00 23 .00+ 0.05- 0.20 23 .40 + / - 0.20 4mm
SetzmutterK-SERIES
A/F h
h1
d2
d1
MinimumCaseHardnessHv0 .3610 .TestedtoISO898 .
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TECHNICALDATA10
Long Spigot
SetzmutterK-SERIES
A/F h
h1
d2
d1
Intermediate Spigot
Metric (Dimensions in mm)
Thread Size h
Spigot LengthAcross
Flats A/FHole
Diameter d1 d2Material
Thicknessh 1
M2.5 3 .00 + / - 0.13 1 .40 + 0.00- 0.13 5 .50 + / - 0.1 4 .50 4 .50+ 0.05- 0.13 4 .70 + / - 0.13 1 .5mm
M3 3 .00 + / - 0.13 1 .40 + 0.00- 0.13 5 .50 + / - 0.1 4 .50 4 .50+ 0.05- 0.13 4 .70 + / - 0.13 1 .5mm
M4 3 .20 + / - 0.13 1 .40 + 0.00- 0.13 7 .00 + / - 0.1 5 .50 5 .50+ 0.05- 0.13 5 .70 + / - 0.13 1 .5mm
M5 4 .00 + / - 0.13 1 .40 + 0.00- 0.13 8 .00 + / - 0.1 6 .50 6 .50+ 0.05- 0.13 6 .75 + / - 0.13 1 .5mm
M6 5 .00 + / - 0.13 1 .40 + 0.00- 0.13 10 .00 + / - 0.1 8 .00 8 .00+ 0.05- 0.13 8 .30 + / - 0.13 1 .5mm
A/F h
h1
d2
d1
Metric (Dimensions in mm)
Thread Size h
Spigot LengthAcross
Flats A/FHole
Diameter d1 d2Material
Thicknessh 1
M2.5 3 .00 + / - 0.13 1 .80 + 0.00- 0.13 5 .50 + / - 0.1 4 .50 4 .50+ 0.05- 0.13 4 .70 + / - 0.13 2mm
M3 3 .00 + / - 0.13 1 .80 + 0.00- 0.13 5 .50 + / - 0.1 4 .50 4 .50+ 0.05- 0.13 4 .70 + / - 0.13 2mm
M4 4 .50 + / - 0.13 1 .80 + 0.00- 0.13 7 .00 + / - 0.1 5 .50 5 .50+ 0.05- 0.13 5 .70 + / - 0.13 2mm
M5 5 .00 + / - 0.13 1 .80 + 0.00- 0.13 8 .00 + / - 0.1 6 .50 6 .50+ 0.05- 0.13 6 .75 + / - 0.13 2mm
M6 5 .00 + / - 0.13 1 .80 + 0.00- 0.13 10 .00 + / - 0.1 8 .00 8 .00+ 0.05- 0.13 8 .30 + / - 0.13 2mm
MinimumCaseHardnessHv0 .3610 .TestedtoISO898 .
MinimumCaseHardnessHv0 .3610 .TestedtoISO898 .
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SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
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IN 7504 SELF-D
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SCREW
SSELF-TA
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SCREWS
TECHN
ICAL D
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RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA10TECHNICALDATA11
CD Weld Studs
Threaded - PT
Metric (Dimensions in mm)
DL
+ 0.6- 0.0
D1+ / - 0.2
D2+ / - 0.08
L1+ / - 0.05
A Bmax.
L2 a+ / - 1º
M3
See
Dim
ensi
on
s
4 .5 0 .600 .55 0 .7-1 .4 1 .5
L-0 .3
3º
M4 5 .5 0 .65
M5 6 .5
0 .750 .80
0 .8-1 .42
M6 7 .5
M8 9 .0 0 .85 3
Unthreaded - UT
Metric (Dimensions in mm)
D+ / - 0.1
L+ 0.6- 0.0
D1+ / - 0.2
D2+ / - 0.08
L1+ / - 0.05
A L2 a+ / - 1º
ø 3
See
Dim
ensi
on
s
4 .5 0 .600 .55 0 .7-1 .4
L-0 .3
3º
ø 4 5 .5 0 .65
ø 5 6 .5
0 .750 .80
0 .8-1 .4ø 6 7 .5
ø 7,1 9 .0 0 .85
D
D1D2
A
L
L1
L2
a
D
D1D2
BA
L
L1
L2
a
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TECHNICALDATA11
CD Weld Studs
Internally Threaded - IT
D
B
C
D3
D1D2
A
L
L1
L2
a
Metric (Dimensions in mm)
D+ / - 0.1
L+ 0.6- 0.0
D1+ / - 0.2
D2+ / - 0.08
L1+ / - 0.05
A D3 B+ / - 0.05
C L2 a+ / - 1º
ø 5
See
Dim
ensi
on
s 6 .5
0 .75
0 .80
0 .8
-1 .
4
M3 5 2 .5
L-0 .3
3ºø 6 7 .5 M4 6 3
ø 7,19 .0 0 .85
M57 .5
3
ø 8 M6 3
Coarse Threaded - CT
D
D1D2
A
L
L1
L2
a
Metric (Dimensions in mm)
D+ / - 0.1
L+ 0.6- 0.0
D1+ / - 0.2
D2+ / - 0.08
L1+ / - 0.05
A L2 a+ / - 1º
ø 5 SeeDimensions 6 .5 0 .75 0 .80 0 .8-1 .4L
-0 .33º
186
CD W
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FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
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SCREW
SD
IN 7504 SELF-D
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SCREW
SSELF-TA
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SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
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TECHNICALDATA10TECHNICALDATA12
Brass Inserts for Plastic
Sonic-Fix Unheaded (UHDSONFIX) Headed (HDSONFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
3/8-16UNC
10.32UNF
1/4-28UNF
5/16-24UNF
3/8-24UNF
L mm 4 .0 5 .7 5 .7 7 .1 8 .1 9 .5 12 .7 12 .7 12 .7
W mm 3 .6 4 .6 4 .6 5 .4 6 .3 7 .1 8 .7 10 .2 12 .6
T mm 0 .53 0 .61 0 .61 0 .76 0 .91 1 .09 1 .35 1 .35 1 .60
H mm 4 .8 5 .5 5 .5 6 .4 7 .1 7 .9 9 .5 11 .1 14 .0
N mm 3 .1 3 .9 3 .9 4 .7 5 .5 6 .3 7 .9 9 .5 11 .8
Recommended Hole Size mm (-0.0/+0.1) 3 .2 4 .0 4 .0 4 .8 5 .6 6 .4 8 .0 9 .6 11 .9
Minimum Wall Thickness mm 1 .3 1 .6 1 .6 1 .8 2 .1 2 .6 3 .3 4 .5 6 .0
Tech-Fix Unheaded (UHDTECFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
3/8-16UNC
10.32UNF
1/4-28UNF
5/16-24UNF
3/8-24UNF
L mm 4 .0 5 .7 5 .7 7 .1 8 .1 9 .5 12 .7 12 .7 12 .7
W mm 3 .5 4 .4 4 .4 5 .2 6 .1 6 .8 8 .5 10 .0 12 .3
N mm 3 .1 3 .9 3 .9 4 .7 5 .5 6 .3 7 .9 9 .5 11 .8
Recommended Hole Size mm (-0.0/+0.1) 3 .2 4 .0 4 .0 4 .8 5 .6 6 .4 8 .0 9 .6 11 .9
Minimum Wall Thickness mm 1 .3 1 .6 1 .6 1 .8 2 .1 2 .6 3 .3 4 .5 6 .0
187
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IN 7
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SELF
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G
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750
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REW
SSC
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SH
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CD W
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TECH
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RTS
FO
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TECHNICALDATA12
Heat-Fix Unheaded (UHDHEAFIX) Headed (HDHEAFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
10.32UNF
1/4-28UNF
5/16-24UNF
L mm 3 .9 5 .8 5 .8 7 .1 8 .1 9 .5 12 .7 12 .7
W mm 3 .5 4 .4 4 .4 5 .2 6 .1 6 .9 8 .5 10 .0
T mm 0 .51 0 .58 0 .58 0 .74 0 .89 1 .07 1 .32 1 .32
H mm 4 .8 5 .5 5 .5 6 .4 7 .1 7 .9 9 .5 11 .1
N mm 3 .1 3 .9 3 .9 4 .7 5 .5 6 .3 7 .9 9 .5
Recommended Hole Size mm (-0.0/+0.1) 3 .2 4 .0 4 .0 4 .8 5 .6 6 .4 8 .0 9 .6
Minimum Wall Thickness mm 1 .4 1 .8 1 .8 2 .1 2 .4 2 .8 3 .6 5 .0
Fin-Fix Unheaded (UHDFINFIX) Headed (HDFINFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
10.32UNF
1/4-28UNF
5/16-24UNF
L mm 4 .0 4 .8 4 .8 6 .4 7 .9 9 .5 12 .7 12 .7
W mm 3 .7 4 .5 4 .5 5 .3 6 .1 7 .0 8 .6 10 .2
T mm 0 .45 0 .58 0 .58 0 .74 0 .89 1 .07 1 .32 1 .32
H mm 4 .8 5 .5 5 .5 6 .4 7 .1 7 .9 9 .5 11 .0
N mm 3 .1 3 .9 3 .9 4 .7 5 .5 6 .3 7 .9 9 .5
Recommended Hole Size mm (-0.0/+0.1) 3 .2 4 .0 4 .0 4 .8 5 .6 6 .4 8 .0 9 .6
Minimum Wall Thickness mm 1 .6 2 .0 2 .0 2 .4 2 .8 3 .2 4 .0 4 .8
188
CD W
ELD STU
DS
FASTEN
ERS FOR
SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
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SCREW
SD
IN 7504 SELF-D
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SCREW
SSELF-TA
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SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
Brass Inserts for Plastic
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TECHNICALDATA10TECHNICALDATA12
Spirol-Fix Unheaded (UHDSPIFIX) Headed (HDSPIFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
3/8-16UNC
10.32UNF
1/4-28UNF
5/16-24UNF
3/8-24UNF
L mm 4 .1 5 .3 5 .3 6 .3 7 .4 8 .3 9 .2 9 .2 9 .2
W mm 3 .3 4 .2 4 .2 5 .0 5 .8 6 .6 8 .2 9 .7 12 .7
T mm 0 .51 0 .58 0 .58 0 .74 0 .89 1 .07 1 .32 1 .32 1 .57
H mm 4 .8 5 .5 5 .5 6 .4 7 .1 7 .9 9 .5 11 .1 14 .0
N mm 3 .0 3 .7 3 .7 4 .5 5 .3 6 .1 7 .7 9 .3 12 .3
Recommended Hole Size mm (-0.0/+0.1) 3 .1 3 .8 3 .8 4 .6 5 .4 6 .2 7 .8 9 .3 12 .3
Minimum Wall Thickness mm 1 .6 2 .0 2 .0 2 .5 2 .5 2 .5 2 .8 3 .8 5 .0
Expansion-Fix Unheaded (UHDEXPFIX) Headed (HDEXPFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
10.32UNF
1/4-28UNF
5/16-24UNF
L mm 3 .9 4 .7 4 .7 6 .3 7 .9 9 .4 12 .6 12 .6
T mm 0 .43 0 .51 0 .51 0 .66 0 .82 0 .99 1 .25 1 .25
H mm 4 .8 5 .5 5 .5 6 .4 7 .1 7 .9 9 .5 11 .1
W max mm 3 .2 4 .0 4 .0 4 .7 5 .5 6 .3 7 .9 9 .5
Recommended Hole Size mm (-0.0/+0.1) 3 .2 4 .0 4 .0 4 .8 5 .6 6 .4 8 .0 9 .6
Minimum Wall Thickness mm 2 .4 3 .2 3 .2 3 .6 4 .0 4 .8 6 .0 7 .0
189
SELF
-TA
PPIN
GSC
REW
SD
IN 7
504
SELF
-DRI
LLIN
G
SCRE
WS
DIN
750
0 TH
REA
D R
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SC
REW
SRO
LLED
TH
REA
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MA
CHIN
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REW
SSC
REW
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STEN
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FOR
SH
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AL
CD W
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STU
DS
TECH
NIC
AL
DAT
AB
RASS
INSE
RTS
FO
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AST
IC
Brass Inserts for Plastic
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TECHNICALDATA12
Thread-Fix Unheaded (UHDTHRFIX) Headed (HDTHRFIX)
Thread Size
Metric M2.5 M3 M3.5 M4 M5 M6 M8 M10
Unified - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
3/8-16UNC
10.32UNF
1/4-28UNF
5/16-24UNF
3/8-24UNF
L mm 6 .0 6 .0 8 .0 8 .0 10 .0 14 .0 15 .0 18 .0
T mm 0 .58 0 .58 0 .73 0 .89 1 .06 1 .32 1 .32 1 .57
H mm 6 .0 6 .5 7 .5 8 .0 9 .5 12 .0 14 .0 16 .0
W mm max 4 .5 5 .0 6 .0 6 .5 8 .0 10 .0 12 .0 14 .0
Recommended Hole Size Thermoplastics mm 4 .0-4 .1 4 .5-4 .6 5 .3-5 .4 5 .8-5 .9 7 .1-7 .2 8 .6-8 .8 10 .6-10 .8 12 .6-12 .8
Recommended Hole Size Thermosets mm 4 .1-4 .3 4 .6-4 .8 5 .5-5 .7 6 .0-6 .2 7 .3-7 .6 9 .0-9 .4 11 .0-11 .4 13 .0-13 .4
Flow-Fix Unheaded (UHDFLOFIX)
Thread Size
Metric M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10
Unified 2.56 UNC - 4.40 UNC 6.32 UNC 8.32 UNC
10.24UNC
1/4-20 UNC
5/16-18UNC
3/8-16UNC
10.32UNF
1/4-28UNF
5/16-24UNF
3/8-24UNF
L mm 5 .5 6 .4 7 .3 9 .5 10 .2 11 .2 14 .4 16 .5 17 .9
W mm 3 .4 4 .3 4 .7 5 .5 6 .3 7 .3 9 .8 11 .4 13 .8
A min. mm 3 .6 4 .0 4 .6 6 .0 6 .7 7 .4 8 .1 11 .1 11 .9
C mm 1 .0 1 .2 1 .3 1 .6 1 .8 2 .0 2 .0 2 .3 2 .4
190
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SHEET M
ETAL
SCREWS FO
R PLASTIC
ROLLED
THREA
D
MA
CHIN
E SCREWS
DIN
7500 THREA
D RO
LLING
SCREW
SD
IN 7504 SELF-D
RILLING
SCREW
SSELF-TA
PPING
SCREWS
TECHN
ICAL D
ATAB
RASS IN
SERTS FO
R PLASTIC
Brass Inserts for Plastic
Upmold Technology Limited http://upmold.comhtt
p:/
/up
mo
ld.c
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