threads for the aerospace industry - yamawa … drill sizes for tapping internal unj threads threads...
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D1D
P60°
UNJF Unified fine thread SAE AS8879D
Recommended Drill Sizes for Tapping Internal UNJ Threads
Threads for the aerospace industry
Nominal size (inch)
D
P
min [inch] max [inch] Dri l l s ize Decimal inchNo.4No.5No.6No.8No.10No.121/45/163/87/161/29/165/83/47/81
(0.112)(0.125)(0.138)(0.164)(0.190)(0.216)(0.250)(0.313)(0.375)(0.438)(0.500)(0.563)(0.625)(0.750)(0.875)(1.000)
48444036322828242420201818161412
0.09170.10290.11370.13700.15960.18120.21520.27190.33440.38880.45130.50840.57090.68920.80550.9189
0.09710.10880.12020.14420.16750.18960.22290.27990.34170.3970.45910.51660.57880.69770.81520.9289
2.40㎜2.70㎜3.00㎜#28 4.20㎜#13 7/32"7.00㎜8.60㎜10.00㎜11.60㎜13.00㎜14.60㎜17.60㎜13/16"59/64"
0.09450.10630.11810.14050.16540.18500.21880.27560.33860.39370.45670.51180.57480.69290.81250.9219
Minor dia. of the internal thread Recommended dri l l s izeD1
UNJC Unified coarse thread SAE AS8879D
Nominal size (inch)
D
P[T.P.I .]
[T.P.I .]
min [inch] max [inch] Dri l l s ize Decimal inchNo.4No.5No.6No.8No.10No.121/45/163/87/161/29/165/83/47/81
(0.112)(0.125)(0.138)(0.164)(0.190)(0.216)(0.250)(0.313)(0.375)(0.438)(0.500)(0.563)(0.625)(0.750)(0.875)(1.000)
404032322424201816141312111098
0.0877 0.1007 0.1076 0.1336 0.1494 0.1754 0.2013 0.2584 0.3141 0.3680 0.4251 0.4814 0.5365 0.6526 0.7668 0.8783
0.0942 0.1072 0.1157 0.1417 0.1600 0.1852 0.2121 0.2690 0.3250 0.3795 0.4368 0.4914 0.5474 0.6646 0.7801 0.8933
2.30㎜2.60㎜#33 3.50㎜3.90㎜4.60㎜5.30㎜6.70㎜8.10㎜9.50㎜10.90㎜31/64"13.80㎜16.75㎜19.60㎜22.50㎜
0.09060.10240.11300.13780.15350.18110.20870.26380.31890.37400.42910.48440.54330.65940.77170.8858
Minor dia. of the internal thread Recommended dri l l s izeD1
YAMAWA Mfg. Co., Ltd.http://www.yamawa.com/en
Suitable work mate rialsT i tan ium al l oys(T i -6Al -4V)
Suitable work mate rialsINCONEL718, 750
Waspal l oyHastel l oyA28615-5PH
17-4PH(SUS630)316 STAINLESS STEEL
Suitable work mate rials
T i tan ium al l oys(T i -6Al -4V)
2.545°
L15°
ZELX®
SS
ZELX®
NI
ZELX®
TI
ZELX®
SS
ZELX®
NI
ZELX®
TI
For Aerospace Tap SeriesYAMAWA has assorted "ZELX series" taps for threading stainless steel, titanium alloysand nickel-based alloys that are used in many aircraft parts.
Spiral Pointed Taps for Stainless Steels
Spiral Fluted Taps for Stainless Steels
Spiral Fluted Taps for Nickel Base Alloys
Spiral Fluted Taps for Titanium Alloys
Spiral Pointed Taps for Nickel Base Alloys
Left Hand Spiral Fluted Taps for Titanium Alloys
Size Ranges UNJC・・・No.4~1"UNJF・・・No.4~1"
List No. 3218 Machine Screw sizes with oxide surface treatment3228 Fractional sizes with oxide surface treatment3218T Machine Screw sizes with TiN (Titanium Nitride)3228T Fractional sizes with TiN (Titanium Nitride)
List No. 3612 Machine Screw sizes3622 Fractional sizes
List No. 3613 Machine Screw sizes3623 Fractional sizes
List No. 3318 Machine Screw sizes with oxide surface treatment 3328 Fractional sizes with oxide surface treatment 3318T Machine Screw sizes with TiN (Titanium Nitride) 3328T Fractional sizes with TiN (Titanium Nitride)
List No. 3615 Machine Screw sizes 3625 Fractional sizes
List No. 3613 Machine Screw sizes 3623 Fractional sizes
Size Ranges UNJC・・・No.4~3/4 UNJF・・・No.6~3/4
Size Ranges UNJC・・・No.4~1/2 UNJF・・・No.10~1/2
Size Ranges UNJC・・・No.4~1"UNJF・・・No.4~1"
Size Ranges UNJC・・・No.4~3/4 UNJF・・・No.4~5/8
Size Ranges UNJC・・・No.4~1/2 UNJF・・・No.10~1/2
◊For through hole◊
◊For blind hole◊
Suitable work materials303 STAINLESS STEEL304 STAINLESS STEEL410 STAINLESS STEEL8740(SNCM240)
Suitable work materials303 STAINLESS STEEL304 STAINLESS STEEL410 STAINLESS STEEL8740(SNCM240)
Suitable work mate rialsINCONEL718, 750
Waspal l oyHastel l oyA28615-5PH
17-4PH(SUS630)316 STAINLESS STEEL
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