3/4-10 x 13 A307 Grade A Carriage Bolt HDG

10 x 6 Phillips Bugle Decking Screws Yellow Zinc Plated - Carton (500)

7/8-9 x 6 1/2 Hex Cap Screw SS 316 (A4)

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)

1-14 Nylon Insert Locknut 316 Stainless Steel Reduced Shank Drill Bits Cobalt - 1/2 Shank 3/4-10 x 13 A307 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