Self Locking Thread Insert Compatible Material Metal Compatible Tap Size 3/8 In.-16 Drill Bit Size 5/16 in External Thread Fit 2A External Thread Size 3/8 In.-16 Finish Black Phosphate Insert Diameter 3/8 in Internal Thread Fit 2B Internal Thread Size #10-32 Material Steel Material Grade/Class 12L14 Maximum Hole Diameter 0.313 in Minimum Installation Depth 15/32 in Overall Length 13/32 in System of Measurement Inch Thread Direction Right Hand