Key Locking Thread Insert, Thin Wall, 4 Keys, 7/16-20 Int Thrd Sz, 9/16-12 Ext Thrd Sz, 10 PK
-12, External Thread Fit 2A, Thread Direction Right Hand, Thread Type Coarse, Material Stainless Steel, Finish Plain, Wall Type Thin Wall, Number of Locking Keys 4, Compatible Material Metal, Compatible Tap Size 9/16 In.