Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size M8-1.25, Drill Bit Size 6.9mm, External Thread Fit 6G, External Thread Size M8-1.25, Finish Plain, Insert Diameter 8 mm, Internal Thread Fit 6H, Internal Thread Size M4-0.70, Material Stainless Steel, Material Grade/Class 316, Maximum Hole Diameter 6.9 mm, Minimum Installation Depth 9 mm, Overall Length 7 mm, System of Measurement Metric, Thread Direction Right Hand, Thread Type Coarse, Wall Type Standard Wall