Shoulder Screw, Shoulder Screw Type Standard Shoulder Screw, Head Type Ultra-Low-Profile Standard, Drive Type Socket, Material Stainless Steel, Material Grade/Class 316, Finish Plain, System of Measurement Metric, Thread Size M4-0.7, Minimum Thread Length 5 mm, Shoulder Length 20 mm, Shoulder Length Tolerance -0.0 mm to +0.05 mm, Shoulder Diameter 5 mm, Shoulder Diameter Tolerance -0.025 mm to +0.0 mm, Pack Size Small Pack, Head Height 1.3 mm, Head Diameter 8 mm