Square Head Machine Bolts complete with Nuts

Bolts 6” and longer made with buffer points. C.S.A. Standard Drawing No.
B-3.
Minimum breaking strength at thread root:

3/8” diameter – 4,650 lbs.
1/2” diameter – 8,500 lbs.
5/8” diameter – 13,500 lbs.
3/4” diameter – 20,000 lbs.