Self Locking Thread Insert Compatible Material Metal Compatible Tap Size M24-3.00 Drill Bit Size 21 mm External Thread Fit 6G External Thread Size M24-3.00 Finish Black Phosphate Insert Diameter 24 mm Internal Thread Fit 6H Internal Thread Size M16-2.00 Material Steel Material Grade/Class 12L14 Maximum Hole Diameter 21 mm Minimum Installation Depth 24 13/64 mm Overall Length 20 mm System of Measurement Metric Thread Direction Right Hand Thread Type Metric Wall Type Heavy Wall