Shoulder Screw Shoulder Screw Type Standard Shoulder Screw Head Type Standard Drive Type Hex Material Stainless Steel Material Grade/Class 316 H5 Finish Plain System of Measurement Inch Thread Size 3/8 In.-16 Minimum Thread Length 5/8 in Shoulder Length 1 in Shoulder Length Tolerance +/-0.005 in Shoulder Diameter 1/2 in Shoulder Diameter Tolerance -0.004 in to +0.0 in Pack Size Small Pack Head Height 5/16 in Head Diameter 3/4 in Dimensional Standards AMPG 2012 ZS.01