Key Locking Insert, System of Measurement Metric, Insert Diameter 10 mm, Overall Length 10 mm, Internal Thread Size M5x0.8, Internal Thread Fit 4H5H, External Thread Size M10x1.25, External Thread Fit 4H, Thread Direction Right Hand, Thread Type Coarse, Material Stainless Steel, Finish Plain, Wall Type Heavy Wall, Number of Locking Keys 4, Compatible Material Metal, Compatible Tap Size M10x1.25, Drill Bit Size 8.90 mm, Minimum Installation Depth 4 1/2 mm, Maximum Hole Diameter 8.9 mm