Self Locking Thread Insert Compatible Material Metal Compatible Tap Size #1-8 Drill Bit Size 7/8 in External Thread Fit 2A External Thread Size 1 In.-8 Finish Black Phosphate Insert Diameter 1 in Internal Thread Fit 2B Internal Thread Size 3/4 In.-10 Material Steel Material Grade/Class 12L14 Maximum Hole Diameter 0.875 in Minimum Installation Depth 7/8 in Overall Length 25/32 in System of Measurement Inch Thread Direction Right Hand Thread Type Coarse Wall Type Heavy Wall