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 Metric Thread Size M8-1.25 Minimum Thread Length 13 mm Shoulder Length 20 mm Shoulder Length Tolerance +/-0.25 mm Shoulder Diameter 10 mm Shoulder Diameter Tolerance -0.036 mm to +0.0 mm Pack Size Small Pack Head Height 7 mm Head Diameter 16 mm Dimensional Standards ANSI/ASME B18.3.3M ISO 7379