{"product_id":"9-16-18-x-2-1-4-grade-8-hex-cap-screw-plain-domestic-usa-25","title":"9\/16-18 x 2 1\/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)","description":"\u003cp\u003e9\/16-18 x 2 1\/4 Grade 8 Hex Cap Screw Plain Domestic USA (25). 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":53366538076473,"sku":"1334412","price":81.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/Grade_8_Hex_Cap_Screw_Plain_Domestic_USA_549da6cb-7a73-4eee-b18f-3f9c33796c1a.jpg?v=1780814817","url":"https:\/\/makeitstudios.com\/products\/9-16-18-x-2-1-4-grade-8-hex-cap-screw-plain-domestic-usa-25","provider":"MakeIt Studio","version":"1.0","type":"link"}