Self Locking Thread Insert Compatible Material Metal Compatible Tap Size 1 In.-12 Drill Bit Size 59/64 External Thread Fit 2A External Thread Size 1 In.-12 Finish Black Phosphate Insert Diameter 1 in Internal Thread Fit 2B Internal Thread Size M18-1.50 Material Steel Material Grade/Class 12L14 Maximum Hole Diameter 0.922 in Minimum Installation Depth 33/64 in Overall Length 12 mm System of Measurement Inch/Metric Thread Direction Right Hand Thread Type Coarse