E-Z LOK 319-4-PK10 Thin Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz,
$10.69
Self Locking Thread Insert, Compatible Material Metal, Compatible Tap Size 3/8 In.-16, Drill Bit Size Q, External Thread Fit 2A, External Thread Size 3/8 In.-16, Finish Black Phosphate, Insert Diameter 3/8 in, Internal Thread Fit 2B, Internal Thread...