Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 3/4 In.-10, Drill Bit Size 21/32, External Thread Fit 2A, External Thread Size 3/4 In.-10, Finish Black Phosphate, Insert Diameter 3/4 in, Internal Thread Fit 2B, Internal Thread Size 1/2 In.-13, Material Steel, Material Grade/Class 12L14, Maximum Hole Diameter 0.656 in, Minimum Installation Depth 3/4 in, Overall Length 21/32 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type Coarse