Shoulder Screw Shoulder Screw Type Standard Shoulder Screw Head Type Low-Profile Standard Drive Type Socket Material Stainless Steel Material Grade/Class 18-8 Finish Plain System of Measurement Metric Thread Size M3-0.5 Minimum Thread Length 4 mm Shoulder Length 16 mm Shoulder Length Tolerance -0.0 mm to +0.05 mm Shoulder Diameter 4 mm Shoulder Diameter Tolerance -0.025 mm to +0.0 mm Pack Size Small Pack Head Height 2 mm Head Diameter 6 mm Dimensional Standards AMPG 2013 LP.02