简体 | 繁體 | FastenerExpo |

Click Specification

Twist-Off-Type Tension Control Structural Bolts: Heavy Hex Head Configurations (ASTM F3125 / F3125M)

ASME B 18.2.6 - 2019

Display drawing:

美标ASME B18.2.6 - 2019 ASME18.2.6 18.2.6A Twist-Off-Type Tension Control Structural Bolts: Heavy Hex Head Configurations (ASTM F3125 / F3125M)
Thread Size
1/2 5/8 3/4 7/8 1 1-1/8 1-1/4
PP UNC
s max
min
e max
min
k max
min
ds max
min
b Thread Length Ref.
z Ref.
s1 Ref.
13 11 10 9 8 7 7
0.875 1.062 1.25 1.438 1.625 1.812 2
0.85 1.031 1.212 1.394 1.575 1.756 1.938
1.01 1.227 1.443 1.66 1.876 2.093 2.309
0.969 1.175 1.383 1.589 1.796 2.002 2.209
0.323 0.403 0.483 0.563 0.627 0.718 0.813
0.302 0.378 0.455 0.531 0.591 0.658 0.749
0.515 0.642 0.768 0.895 1.022 1.149 1.277
0.482 0.605 0.729 0.852 0.976 1.098 1.223
1 1.25 1.38 1.5 1.75 2 2
0.5 0.6 0.65 0.72 0.8 0.9 1
0.32 0.43 0.53 0.61 0.7 0.8 0.9
①,Chemical and mechanical properties shall conform to ASTM F 1852 or ASTM F 2280, as applicable.