Shoulder Screw, Shoulder Screw Type Standard Shoulder Screw, Head Type Standard, Drive Type Socket, Material Alloy Steel, Material Grade/Class Class 12.9, Finish Plain, System of Measurement Metric, Thread Size M20x 2.50, Minimum Thread Length 27 mm, Shoulder Length 50 mm, Shoulder Length Tolerance - 0.0 mm to + 0.25 mm, Shoulder Diameter 24 mm, Shoulder Diameter Tolerance - 0.020 mm to - 0.052 mm, Pack Size Small Pack, Head Height 16 mm, Head Diameter 36 mm, Dimensional Standards I7379. This item has been restricted from sale in the following state (s): []