Manufacturer Varies ShldrScrw,AlyStl,1-4"-20,7-16"HdDia,PK5 1EB48

Shoulder Screw, Shoulder Screw Type Locking Shoulder Screw, Head Type Standard, Drive Type Socket, Material Alloy Steel, Finish Plain, System of Measurement Inch, Thread Size 1/4-20, Minimum Thread Length 7/16 in, Shoulder Length 1/2 in, Shoulder Length Tolerance +/-0.005 in, Shoulder Diameter 5/16 in, Shoulder Diameter Tolerance -0.004 in to +0.0 in, Pack Size Small Pack, Head Height 7/32 in, Head Diameter 7/16 in, Dimensional Standards ASME B18.3, Tensile Strength 140,000 psi