E-Z LOK 303-6-PK5 Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz,
Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 9/16 In.-12, Drill Bit Size 31/64 in, External Thread Fit 2A, External Thread Size 9/16 In.-12, Finish Plain, Insert Diameter 9/16 in, Internal Thread Fit 2B, Internal Thread...