the clamping forces in a tightened bolt. Flat, Countersunk and Self- Aligning ... the leader in developing and producing bolts for critical applications. Manufactured ... from high-strength alloys, every SPS bolt meets customer and industry ... specifications, including AN, NAS, MS, and NA standards ... . SPS offers MS and NAS socket head cap screws and button, flathead and ... shoulder screws manufactured to meet the FF-S-86 ... specification. Strength levels for socket head cap screws are 190ksi up to 7/16" ... from 1/2" to 4" diameters. All plated socket screws meet QQ-P-416 specifications. ... positive hold out of the sleeve bolt, ensuring that the bolt wont become ... without binding the sleeve bolt remains in place upon disassembly. ...