{"product_id":"2-1-4-4-1-2-a563-grade-a-heavy-hex-nut-zinc-plated","title":"2 1\/4-4 1\/2 A563 Grade A Heavy Hex Nut Zinc Plated","description":"\u003cp\u003e2 1\/4-4 1\/2 A563 Grade A Heavy Hex Nut Zinc Plated .  Grade A Heavy Hex Nuts are manufactured from low carbon steel, 1008-1010 for sizes up to 1 inch (cold-formed) and 1045 steel for sizes over 1 inch (hot-formed).  Material is manufactured to meet or exceed ASTM A563 Grade A.  Zinc plated material will meet or exceed ASTM F1941.  Hot-Dip Galvanized material will meet or exceed ASTM A563.  Typical hardness is HRB 68 - HRC 32.  Proof load strength will meet a minimum of 100,000 psi and 75,000 psi for Hot-Dip Galvanized nuts.\u003c\/p\u003e","brand":"FMW Fasteners","offers":[{"title":"Default Title","offer_id":42531324133456,"sku":"1702048","price":831.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0242\/9940\/5392\/files\/media_ab74704c-7ffe-41c6-a2d2-fb704542affc.jpg?v=1781208012","url":"https:\/\/store.zoellerpumps.co.za\/af\/products\/2-1-4-4-1-2-a563-grade-a-heavy-hex-nut-zinc-plated","provider":"store.water-services.us","version":"1.0","type":"link"}