{"product_id":"9-16-18-x-4-1-2-grade-8-hex-cap-screw-yellow-zinc-plated-domestic-usa-100","title":"9\/16-18 x 4 1\/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)","description":"\u003cp\u003e9\/16-18 x 4 1\/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) .  Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel.  In diameters 1\/4 to 1 1\/2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications.  Diameters over 1 1\/2 inches meet or exceed ASTM A354 Grade BD.  All material is manufactured with rolled threads.  Yellow zinc plated bolting will meet or exceed ASTM F1941.  Typical hardness on diameters 1\/4 to 2 1\/2 inches is HRC 33-39.  On diameters over 2 1\/2 inches, hardness will range from HRC 31-39.  Tensile strength on diameters 1\/4 to 2 1\/2 inches is a minimum of 150,000 psi.  Diameters over 2 1\/2 inches have a meet a minimum of 140,000 psi.\u003c\/p\u003e","brand":"FMW Fasteners","offers":[{"title":"Default Title","offer_id":53366727213369,"sku":"1334831","price":356.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/media_32950b6e-6d98-4543-acc3-bf768fbbf89f.jpg?v=1780820652","url":"https:\/\/makeitstudios.com\/products\/9-16-18-x-4-1-2-grade-8-hex-cap-screw-yellow-zinc-plated-domestic-usa-100","provider":"MakeIt Studio","version":"1.0","type":"link"}