Hex Bolts Grade 5 Zinc Plated 1 -8 x 8 1/2 (Quantity: 3 pcs) Partially Threaded UNC Thread (Thread Size: 1 ) x (Length: 8 1/2 )

Grade 5 Steel with a Zinc Finish and manufactured to ASME B18.2.1 Zinc-plated steel screws to resist corrosion in wet environments Meets ASME B18.2.1 and SAE J429 specifications These are PARTIALLY Threaded Bolts with a minium of 2.5 inches of thread Head Height: 39/64 in. / Width Across the Flats: 1-1/2 in.