12 point flange head design prevents the edges from rounding out better than the hex head.
Able to replace any application currently using a socket head cap screw
Tensile strength of 170,000 psi min exceeds Grade 8 strength levels
Proof load strength of 140,000 psi min
Hardness HRC ( Hardness Rockwell C Scale ) = 38/42
Meets ANSI B18.2.1 standards
Thread = 20 TPI
