Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 5/16 In. -18, Drill Bit Size I, External Thread Fit 2A, External Thread Size 5/16 In. -18, Finish Black Phosphate, Insert Diameter 5/16 in, Internal Thread Fit 2B, Internal Thread Size #10-32, Material Steel, Material Grade/Class 12L14, Maximum Hole Diameter 0.272 in, Minimum Installation Depth 3/8 in, Overall Length 5/16 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type UNF Internal/UNC External. This item has been restricted from sale in the following state (s): []