{"product_id":"5-16-18-x-4-1-2-grade-5-carriage-bolt-zinc-plated","title":"5\/16-18 x 4 1\/2 Grade 5 Carriage Bolt Zinc Plated","description":"\u003cp\u003e5\/16-18 x 4 1\/2 Grade 5 Carriage Bolt Zinc Plated .  Grade 5 Carriage Bolts are manufactured from medium carbon steel.  Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications and is manufactured with rolled threads.  Zinc plated material meets or exceeds ASTM F1941.  Typical hardness on diameters of 1\/4 to 1 inch is HRC 25-34.  Tensile strength on diameters 1\/4 to 1 inch will meet a minimum of 120,000 psi.\u003c\/p\u003e","brand":"FMW Fasteners","offers":[{"title":"Default Title","offer_id":53365369962809,"sku":"1301025","price":1.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/media_1651fbe6-9f87-4d5a-b21a-e009c97bb504.jpg?v=1780807611","url":"https:\/\/makeitstudios.com\/products\/5-16-18-x-4-1-2-grade-5-carriage-bolt-zinc-plated","provider":"MakeIt Studio","version":"1.0","type":"link"}