Self Locking Thread Insert Compatible Material Metal Compatible Tap Size 1/2 In.-13 Drill Bit Size 27/64 External Thread Fit 2A External Thread Size 1/2 In.-13 Finish Plain Insert Diameter 1/2 in Internal Thread Fit 6H Internal Thread Size M8-1.25 Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 0.422 in Minimum Installation Depth 9/16 in Overall Length 12 mm System of Measurement Inch/Metric Thread Direction Right Hand Thread Type Coarse