Shoulder Screw Shoulder Screw Type Tamper-Resistant Shoulder Screw Head Type Truss Drive Type Tamper-Resistant Torx Material Stainless Steel Material Grade/Class 18-8 Finish Plain System of Measurement Inch Thread Size #10-24 Minimum Thread Length 1/4 in Shoulder Length 1/8 in Shoulder Length Tolerance +/-0.005 in Shoulder Diameter 1/4 in Shoulder Diameter Tolerance -0.004 in to +0.0 in Pack Size Small Pack Head Height 1/8 in Head Diameter 7/16 in Tensile Strength 80 000 psi