Self Locking Thread Insert Compatible Material Metal Compatible Tap Size 1/2 In.-13 Drill Bit Size 27/64 in External Thread Fit 2A External Thread Size 1/2 In.-13 Finish Plain Insert Diameter 12.7 mm Internal Thread Fit 2B Internal Thread Size M8-1.25 Material Stainless Steel Material Grade/Class 18-8 Maximum Hole Diameter 10.7188 mm Minimum Installation Depth 14 9/32 mm Overall Length 12 mm System of Measurement Inch/Metric Thread Direction Right Hand