5/16-18X2 Ribbed Neck Carriage Bolt Fully Threaded 18 8 Stainless Steel (Pack Qty 225) BC-3132CR188

Primarily used in thin plywood to keep the bolt from turning when nut is being tightened. Widely used in the truck and trailer industries Low Carbon: Bolts shall be made from a carbon steel which conforms to the following chemical composition requirements Carbon: 0.55% maximum; Phosphorus: 0.060% max; Sulfur: 0.150% max. Grade-5: AISI 1030 - 1050 or equivalent steel. Stainless: 18-8 Stai used to fasten metal to metal or metal to wood