Shoulder Screw, Shoulder Screw Type Standard Shoulder Screw, Head Type Standard, Drive Type Socket, Material Stainless Steel, Material Grade/Class 316, Finish Plain, System of Measurement Inch, Thread Size 1/2-13, Minimum Thread Length 3/4 in, Shoulder Length 1 1/4 in, Shoulder Length Tolerance +/- 0.005 in, Shoulder Diameter 5/8 in, Shoulder Diameter Tolerance - 0.002 in to - 0.004 in, Pack Size Small Pack, Head Height 3/8 in, Head Diameter 7/8 in, Dimensional Standards ASME B 18.3. This item has been restricted from sale in the following state (s): []