{"product_id":"1-4-28-x-4-1-2-grade-8-hex-cap-screw-yellow-zinc-plated-domestic-usa-50","title":"1\/4-28 x 4 1\/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)","description":"\u003cp\u003e1\/4-28 x 4 1\/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) .  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":53366423421241,"sku":"1334117","price":58.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/media_ec9598d6-dd57-4fe6-a387-2c6e78a77f50.jpg?v=1780813222","url":"https:\/\/makeitstudios.com\/products\/1-4-28-x-4-1-2-grade-8-hex-cap-screw-yellow-zinc-plated-domestic-usa-50","provider":"MakeIt Studio","version":"1.0","type":"link"}