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The 9/16-18 x 4 1/2" (PT) Hex Head Cap Screws, Fine, Grade 5 Medium Carbon Steel, Yellow Zinc Cr+6 is available now from South Coast Fasteners with fast 3-5 day shipping. Commonly called hex bolts. It measures 9/16" diameter, 4 1/2" (PT) length, fine thread, Grade 5 with a Yellow Zinc Cr+6 finish. Used in remodeling and general construction, it is part of our Grade 5 Hex Cap Screws line, stocked across industries such as Construction, HVAC, and Furniture.
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