ASTM A490
Heavy Hex Structural bolts-NINGBO BOLT |
Dimensions of ASME B18.2.6 Heavy Hex Structural Bolts
Nominal Size or
Basic product Diameter |
Full
Size Body Diameter, E |
Width
Across Flats, F |
Width
Across Corners, G |
Head
Height, H |
Radius
of Fillet, R |
Thread
Length LT |
Transition
Thread Length Y |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Max |
Min |
Ref |
Ref |
1/2 |
0.5000 |
0.515 |
0.482 |
0.875 |
0.850 |
1.010 |
0.969 |
0.323 |
0.302 |
0.031 |
0.009 |
1.00 |
0.19 |
5/8 |
0.6250 |
0.642 |
0.605 |
1.062 |
1.031 |
1.227 |
1.175 |
0.403 |
0.378 |
0.062 |
0.021 |
1.25 |
0.22 |
3/4 |
0.7500 |
0.768 |
0.729 |
1.250 |
1.212 |
1.443 |
1.383 |
0.483 |
0.455 |
0.062 |
0.021 |
1.38 |
0.25 |
7/8 |
0.8750 |
0.895 |
0.852 |
1.438 |
1.394 |
1.660 |
1.589 |
0.563 |
0.531 |
0.062 |
0.031 |
1.50 |
0.28 |
1 |
1.0000 |
1.022 |
0.976 |
1.625 |
1.575 |
1.876 |
1.796 |
0.627 |
0.591 |
0.093 |
0.062 |
1.75 |
0.31 |
1 1/8 |
1.1250 |
1.149 |
1.098 |
1.812 |
1.756 |
2.093 |
2.002 |
0.718 |
0.658 |
0.093 |
0.062 |
2.00 |
0.34 |
1 1/4 |
1.2500 |
1.277 |
1.223 |
2.000 |
1.938 |
2.309 |
2.209 |
0.813 |
0.749 |
0.093 |
0.062 |
2.00 |
0.38 |
1 3/8 |
1.3750 |
1.404 |
1.345 |
2.188 |
2.119 |
2.526 |
2.416 |
0.878 |
0.810 |
0.093 |
0.062 |
2.25 |
0.44 |
1 1/2 |
1.5000 |
1.531 |
1.470 |
2.375 |
2.300 |
2.742 |
2.622 |
0.974 |
0.902 |
0.093 |
0.062 |
2.25 |
0.44 |
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NINGBO STEEL
BOLT CO., LTD
Address:Panjiashan, Xiepu Town,
Zhenhai,
Ningbo, China
TEL:
86-574-86231358
FAX:
86-574-86231338
EMAIL:
bolt@ningbo-bolt.com
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