Blind Bolt Imperial Technical Data

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

Blind Bolt Product Specification
High Tensile Steel
Thread Size Hole Size
+.0625		 Product Code Qty Box Socket Size
Fixing Thickness
Min Max
Anchor
Clearance 		Depth
Clearance 		Weight Per Box (lb)
5/16-18 UNC .3125 - .375 BBS-3125-2.0 50 1/2  0.406 0.813 0.75  1.063  2.25
3/8-16 UNC .375 - .4375 BBS-3750-2.375 40 9/16 0.625 1.156 1.000 1.313 3.15
3/8-16 UNC .375 - .4375 BBS-3750-5.0 20 9/16 2.063 3.656 1.000 1.313 3.8
1/2-13 UNC .500 - .5625 BBS-5000-2.755 20 3/4 0.500 1.188 1.125 1.375 3
5/8-11 UNC .625 - .6875 BBGS-6250-3.54* 20 15/16 0.688 1.563 1.563 1.813 6
3/4 - 10 UNC .750 - .8125 BBGS-7500-4.3* 10 1-1/8 1.500 3.250 1.813 2.25 6
7/8 - 9 UNC .875 - .9375 BBGS-8750-5.5* 10 1-5/16 2.000 3.188 1.875 2.313 7
1.0-8 UNC 1.000 - 1.0625 BBGS-1000-5.1* 5 1-1/2 0.875 2.375 2.125 2.406 5
* We strongly recommend the use of our safety gauges when installing these bolts
High Tensile Steel Performance Data
40,000 PSI Tensile Strength
Thread Size Product Code Stress Area (IN2) Bolt Steel Grade Ultimate Tensile Strength (LBF) Ultimate Shear Strength (LBF) Sugg. Torque
(ft/lbs)
5/16-18 UNC BBS-3125-2.0 .052 High Tensile Steel 2000 2300 7
3/8-16 UNC BBS-3750-2.375 .077 High Tensile Steel 3000 3500 15
3/8-16 UNC BBS-3750-5.0 .077 High Tensile Steel 3000 3500 15
1/2-13 UNC BBS-5000-2.755 .141 High Tensile Steel 5600 6100 35
5/8-11 UNC BBGS-6250-3.54* .226 High Tensile Steel 8000 10000 80
3/4 - 10 UNC BBGS-7500-4.3* .334 High Tensile Steel 13300 15000 150
7/8 - 9 UNC BBGS-8750-5.5* .462 High Tensile Steel 18000 20000 215
1.0-8 UNC BBGS-1000-5.1* .606 High Tensile Steel 24000 26000 335