Shoulder Screw Shoulder Screw Type Mil. Spec. Shoulder Screw Head Type Standard Drive Type Slotted Material Stainless Steel Material Grade/Class 18-8 Finish Plain System of Measurement Inch Thread Size #4-40 Minimum Thread Length 5/32 in Shoulder Length 5/16 in Shoulder Length Tolerance +/-0.003 in Shoulder Diameter 1/8 in Shoulder Diameter Tolerance -0.004 in to +0.0 in Pack Size Small Pack Head Height 1/8 in Head Diameter 1/4 in Dimensional Standards MS51575-4 QQ-P-35 TYPE 2