CORROSION-RESISTANT FINISH: Zinc plating offers moderate protection against rust and corrosion DO NOT OVERTIGHTEN: Overtightening risks stripping of threads upon installation PART OF A COMPLETE FASTENING SOLUTION: Use with bolts, threaded rods, or washers of the same thread size and finish MADE USING GRADE 2 STEEL: Appropriate for most general use (match with Grade 2 washers and bolts) Choose From 1/4"-20 USS COARSE THREAD: Matches bolts or rods of a 1/4"-20 coarse thread size #8-32 USS COARSE THREAD: Matches machine screws of a #8-32 coarse thread size #10-24 USS COARSE THREAD: Matches machine screws of a #10-24 coarse thread size 3/8"-16 USS COARSE THREAD: Matches bolts or rods of a 3/8"-16 coarse thread size 5/16"-18 USS COARSE THREAD: Matches bolts or rods of a 5/16"-18 coarse thread size