5/16"-18 x 3/4" 18-8 Stainless Steel Coarse Thread Carriage Head Bumper Bolts

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Diameter: 5/16"Length: 3/4"Material: Stainless SteelHead Style: CarriageThread Size: 18 (Coarse)Thread Length: FullHardness: 18-8Style: Bumper BoltType: Carriage BoltBox of 25.A ca rriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened. Show more