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Round Head Carriage Bolts feature wide round heads without screwdriver slots to fasten soft wood, plastic and metals without pull-through. Fasteners are made of steel for long lasting reliability and strength. Features square necks that grip substrate to prevent the bolt from turning as nuts are tightened. Designed for use in pre-drilled holes with fastener nuts and can be tightened by hand, wrench or industrial-strength pneumatic tools.

3/8-16 x 4&quot; Carriage Bolt - Round Head - 18-8 Stainless Steel - UNC - Pkg of 50

carriage-bolt-38-16-4-round-head-18-8-stainless-steel-unc-pkg-of-50-781354

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