Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size M12- 1.75, Drill Bit Size 10.40 mm, External Thread Fit 2A, External Thread Size M12- 1.75, Finish Black Phosphate, Insert Diameter 12 mm, Internal Thread Fit 2B, Internal Thread Size 5/16 In. -18, Material Steel, Material Grade/Class 12L14, Maximum Hole Diameter 10.4 mm, Minimum Installation Depth 37/64 in, Overall Length 31/64 in, System of Measurement Inch/Metric, Thread Direction Right Hand. This item has been restricted from sale in the following state (s): []