Key Locking Thread Insert, Extra Heavy Wall, 4 Keys, 1/4"-20 Int Thrd Sz, 1/2"-13 Ext Thrd Sz, 10 PK, EnjoyTool Select, Mfr#: 217-077334

Key Locking Thread Insert, System of Measurement Inch, Insert Diameter 1/2 in, Overall Length 3/8 in, Internal Thread Size 1/4 In.-20, Internal Thread Fit 3B, External Thread Size 1/2 In.-13, External Thread Fit 2A, Thread Direction Right Hand, Thread Type Coarse, Material Stainless Steel, Finish Plain, Wall Type Extra Heavy Wall, Number of Locking Keys 4, Compatible Material Metal, Compatible Tap Size 1/2 In.-13, Drill Bit Size 7/16 in, Minimum Installation Depth 17/64 in