Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 5/16 In.-18, Drill Bit Size F, External Thread Fit 2A, External Thread Size 5/16 In.-18, Finish Plain, Insert Diameter 5/16 in, Internal Thread Fit 2B, Internal Thread Size #8-32, Material Stainless Steel, Material Grade/Class 316, Maximum Hole Diameter 0.257 in, Minimum Installation Depth 7/16 in, Overall Length 19/64 in, System of Measurement Inch, Thread Direction Right Hand, Thread Type Coarse, Fine