Imperial Technical Data

The Blind Bolt Company reserve the right to change these technical details without notice.

Thin Wall Bolt Product Specification Low Carbon Steel

Thread Size
Hole Size + .0625
Product Code
Qty Box
Screw Socket Size
Base Nut Wrench Size
Fixing Thickness
Weight Per Box (lb)






Min Max
5/16 - 18 UNC

.3125 - .375

TWS-3125-400

100 Phillips Head
1/2
0.080 0.400
2.60
3/8 - 16 UNC
.375 - .4375
TWS-3750-400
100 3/8
11/16
0.080
0.400
5.66
1/2 - 13 UNC
.500 - .5625
TWS-5000-400
100 1/2
3/4
0.080
0.400
11.60
11/16 - UNC .6875 - .750  TWS-6875-400  100 11/16  7/8 0.080 0.400 16.60

By continuing to use the site you agree to our privacy & cookies policy