Self Locking Thread Insert Compatible Material Metal Compatible Tap Size M12-1.75 Drill Bit Size 10.40 mm External Thread Fit 6G External Thread Size M12-1.75 Finish Black Phosphate Insert Diameter 12.5 mm Internal Thread Fit 6H Internal Thread Size M8-1.25 Material Steel Material Grade/Class 12L14 Maximum Hole Diameter 10.4 mm Minimum Installation Depth 14 11/16 mm Overall Length 12 mm System of Measurement Metric Thread Direction Right Hand Thread Type Metric