Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 1/2 In. -13, Drill Bit Size 27/64 in, External Thread Fit 2A, External Thread Size 1/2 In. -13, Finish Black Phosphate, Insert Diameter 1/2 in, Internal Thread Fit 2B, Internal Thread Size 5/16 In. -24, Material Steel, Material Grade/Class 12L14, Maximum Hole Diameter 0.422 in, Minimum Installation Depth 9/16 in, Overall Length 31/64 in, System of Measurement Inch, Thread Direction Right Hand. This item has been restricted from sale in the following state (s): []