Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 1 3/8 In.-12, Drill Bit Size 1 9/32 in, External Thread Fit 2A, External Thread Size 1 3/8 In.-12, Finish Black Phosphate, Insert Diameter 1 25/64 in, Internal Thread Fit 2B, Internal Thread Size 1 In.-8, Material Steel, Material Grade/Class 12L14, Maximum Hole Diameter 1.281 in, Minimum Installation Depth 1 3/8 in, Overall Length 1 1/4 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type Coarse