Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 5/8 In.-18, Drill Bit Size 37/64, External Thread Fit 2A, External Thread Size 5/8 In.-18, Finish Plain, Insert Diameter 5/8 in, Internal Thread Fit 2B, Internal Thread Size 1/2 In.-20, Material Stainless Steel, Material Grade/Class 18-8, Maximum Hole Diameter 0.578 in, Minimum Installation Depth 11/16 in, Overall Length 5/8 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type Fine, Wall Type Thin Wall