7/16-14 x 2 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (300)

2-56 x 3/16 Phillips Flat 82 Undercut Machine Screw Black Zinc Plated (10

1-8 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (40)

61/64 x 6 Reduced Shank Drill Bit (1/2 Shank)

7/8-9 x 8 Hex Cap Screw SS 18-8 (A2)

1-14 Nylon Insert Locknut 316 Stainless Steel Reduced Shank Drill Bits Cobalt - 1/2 Shank 7/16-14 x 2 1/2 Grade1 14 Nylon Insert Locknut 316 Stainless Steel . 316 stainless steel hex nut with a nylon filled collar at its back end. When a screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the screw when it is subjected to vibration. Designed to be used with like material machine screws and bolts. It is able to be reused more times than a two way reversible nut, however, nylon will begin to deteriorate at