5/16-18 x 2 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (100)

Heavy-duty toggle bolts can assist with hanging things from hollow walls

5/8-11 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (25)

Marine screws are locked in place thanks to their "teeth" (the thread indentations will resist back-out even after prolonged vibration)

1/2 x 16 Hex Lag Screw Hot Dipped Galvanized

7/8-9 Nylon Insert Locknut 316 Stainless Steel M20-2.50 Socket Cap Screws 12.9 Alloy Plain DIN 912 5/16-18 x 2 3/4 Grade7 8 9 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