Key Locking Thread Insert,2.2 mm L,PK10
70, Drill Bit Size 3.Key Locking Thread Insert, System of Measurement Metric, Insert Diameter 4 mm, Overall Length 2.40 mm, Minimum Installation Depth 51/64 mm, Maximum Hole Diameter 3.70, External Thread Fit 4H, Thread Direction Right Hand, Thread Type Coarse, Material Stainless Steel, Finish Plain, Wall Type Thin Wall, Number of Locking Keys 2, Compatible Material Metal, Compatible Tap Size M4-0.