Shoulder Screw Shoulder Screw Type Standard Shoulder Screw Head Type Hex Drive Type Hex Material Stainless Steel Material Grade/Class 18-8 Finish Plain System of Measurement Inch Thread Size 3/8 In.-16 Minimum Thread Length 3/4 in Shoulder Length 2 1/4 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 1/4 in Head Diameter 3/4 in Dimensional Standards AMPG 2006 HH.01