| 简体 | 繁體 |

Click Specification

(Non-preferred) dimensions in parentheses.

Metric Round Head Square Neck Bolts with Large Head

ASME/ANSI B 18.5.2.3M - 1990

Display drawing:

美标ASME/ANSI B18.5.2.3M - 1990 ASME/ANSI1 Metric Round Head Square Neck Bolts with Large Head
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M5 M6 M8 M10 M12 M16 M20
P Pitch
b L≤125
125<L≤200
200<L
dk max
min
ds max
min
e min
k1 max
min
k max
min
r max
s max
min
0.8 1 1.25 1.5 1.75 2 2.5
16 18 22 26 30 38 46
22 24 28 32 36 44 52
35 37 41 45 49 57 65
13 16 20 24 30 38 46
11.9 14.9 18.7 22.7 28.7 36.4 44.4
5.48 6.48 8.58 10.58 12.70 16.70 20.84
4.36 5.21 7.04 8.86 10.68 14.50 18.16
5.9 7.2 9.6 12.2 14.7 19.9 24.9
4.1 4.6 5.6 6.6 8.8 12.9 15.9
2.9 3.4 4.4 5.4 7.2 11.1 14.1
3.1 3.6 4.8 5.8 6.8 8.9 10.9
2.5 3.0 4.0 5.0 6.0 8.0 10.0
0.4 0.5 0.8 0.8 1.2 1.2 1.6
5.48 6.48 8.58 10.58 12.70 16.70 20.84
4.52 5.52 7.42 9.42 11.30 15.30 19.16
Length of Thread b
- - - - - - -