5/8-11 x 7 1/2 Hex Cap Screw SS 316 (A4)

Pair it with heavy bolts for building bridges

5/16-18 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (450)

14 x 4 TimberLOK® Heavy Duty Wood Screw (12)

1-8 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated

9/16-18 Nylon Insert Locknut 316 Stainless Steel Drop-In Anchors Zinc Plated 5/8-11 x 7 1/2 Hex9 16 18 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