stand offs

7/31/2019 Stand Offs

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Stand-offsSome distance ahead

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Stand-offs – ideal and easy to mount

Internal and external threads

Steel, copper or plastic

Specially suited to the assembly

of circuit boards



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Stand-offs – standard items

Hexagon stand-offs with internal and external thread

1 BN 3318 d1 M2 M3 M4 d1 M2 M3 M4 M5 M6

Steel, zinc platedb min. L ≤ 8 : 2 L ≤ 8 : 2,5 L ≤ 10 : 2,5

L

5 1 1 1 1 1

1 BN 3321 b L > 8 : 5 L > 8 : 6 L > 10 : 7 6 1 1 1 1 1

Brass, nickel plateds h11 4 5,5 7 8 1 1 1 1 1 1 1

a ±0,2 4 5 6 10 1 1 1 1 1 1 1

12 1 1 1 1 1 1 1

d1 M5 M6 14 1 1 1 1 1 1

b min. L ≤ 12 : 3 L ≤ 14 : 3 16 1 1 1 1 1 1

b L > 12 : 9 L > 14 : 11 18 1 1 1 1 1 1

s h11 8 10 20 1 1 1 1 1 1

a ±0,2 8 10 25 1 1 1 1 1 1

30 1 1 1 1 1 1

35 1 1 1 1 1 1

40 1 1 1 1 1 1

45 1 1 1 1 1 1

50 1 1 1 1 1 1

55 1 1 1 1 1 1

60 1 1 1 1 1 1

70 1 1

80 1 1

100 1

Hexagon stand-offs with internal and external thread

1 BN 7375 d1 M3 M4 d1 M3 M4

PA (Polyamide)GV, black

electrically insulating

b min. L ≤ 10 : 6 L ≤ 10 : 8

L

8 1

b L > 10 : 10 L > 10 : 10 10 1 1

s 6 8 12 1 1

a 8 8 15 1 1

18 1 1

20 1 1

25 1 1

30 1 1

35 1 1

40 1 1

45 1 1

50 1 1

Round spacers

1 BN 5281 d1 2,6 3,1 4,2 5,2 6,2 8,2 10,3 d1 2,6 3,1 4,2 5,2 6,2 8,2 10,3

PA (Polyamide) 6.6, whited2 5 6 8 10 10 12 15

L

2 1

3 1 1 1 1 1 1 1

5 1 1 1 1 1 1 1

7,5 1 1 1 1 1 1 1

10 1 1 1 1 1 1 1

15 1 1 1 1 1 1 1

20 1 1 1 1 1 1 1

25 1 1 1 1 1 1 1

30 1 1 1 1 1 1

Stand offs I BOSSARD



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Hexagon stand-offs with internal thread on both sides

1 BN 3319 d1 M3 M4 d1 M3 M4 M5 M6

Steel, zinc platedfully threaded L < 20 L < 25

L

5 1

b L ≥ 20 : 7 L ≥ 25 : 9 6 1 1

s h11 5,5 7 8 1 1 1

10 1 1 1 1

d1 M5 M6 12 1 1 1 1

fully threaded L < 30 L < 35 (14) 1 1 1 1

b L ≥ 30 : 11 L ≥ 35 : 14 16 1 1 1 1

s h11 8 10 (18) 1 1 1 1

20 1 1 1 1

25 1 1 1 1

30 1 1 1 1

35 1 1 1 1

40 1 1 1 1

45 1 1 1 1

50 1 1 1 1

55 1 1 1 1

60 1 1 1 1

70 1 1

80 1 1

100 1


1 BN 3320 d1 M2 M3 d1 M2 M3 M4

Brass, nickel platedfully threaded L ≤ 18 L ≤ 20

L

5 1 1 1

b L > 18 : 7 L > 20 : 7 6 1 1 1

s 4 5,5 8 1 1 1

10 1 1 1

d1 M4 12 1 1 1

fully threaded L ≤ 30 14 1 1 1

b L > 30 : 9 16 1 1 1

s 7 18 1 1

20 1 1

25 1 1

30 1 1

35 1 1

40 1 1

45 1 1

50 1

60 1 1

Stand offs I BOSSARD



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1 BN 7372 d1 M2,5 M3 d1 M2,5 M3 M4 M5

PA (Polyamide)

GV, black

electrically insulating

fully threaded L < 15 L < 18

L

5 1

b

L = 15 : 7,0 L = 18 : 8,5 6 1

L = 18 : 8,5 L = 20 : 9,5 8 1

L = 20 : 9,5 L > 20 : 10 10 1 1 1 1

L > 20 : 10 12 1 1

s 5 6 15 1 1 1 1

18 1 1 1 1

d1 M4 M5 20 1 1 1 1

fully threaded L < 25 L < 25 25 1 1

b

L > 25 : 10 L > 25 : 10 30 1 1 1

L ≥ 25 : 10 35 1 1

L ≥ 25 : 10 40 1 1 1

s 8 10 45 1 1

50 1 1 1

Custom-made models

Stand offs and spacers according to cu-

stomers’ drawings can be delivered within

a short time.

The combination of stand offs with

eco-fx® screws gives a vibration-proof

assembly.

Oversize hole tolerances can easily be co-

vered.

Tip for xing circuits boards

Selection criteria

Material / surfaces Properties

Stand offs steel, blue zinc plated – electrically conductive

copper, nickel plated – electrically conductive

– non-magnetic

plastic – electrically insulating

PA (Polyamide) GV, black – max temperature around 110° C

Spacer rounds plastic – electrically insulating

PA (Polyamide) 6.6, white – max temperature around 80° C

BOSSARD I Stand offs



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