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
Hexagon stand-offs with internal thread on both sides
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
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Hexagon stand-offs with internal thread on both sides
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
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