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Buy the 7/16-20 x 3 1/4" (PT) Hex Head Cap Screws, Fine, Grade 8, Yellow Zinc Bake Cr+6, Import online from South Coast Fasteners. These are also known as hex bolts. It measures 7/16" diameter, 3 1/4" (PT) length, fine thread, Grade 8 with a Yellow Zinc Bake Cr+6 finish. Suited to remodeling and general construction, it is part of our Grade 8 Hex Cap Screws line, stocked across industries such as HVAC, Furniture, and Manufacturing.
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