{"product_id":"4-4-a563-grade-a-heavy-hex-nut-plain","title":"4-4 A563 Grade A Heavy Hex Nut Plain","description":"\u003cp\u003e4-4 A563 Grade A Heavy Hex Nut Plain .  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":53366671769913,"sku":"1702001","price":367.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6067\/0009\/files\/A563_Grade_A_Heavy_Hex_Nut_Plain_57a1b5c7-ceba-433c-91b4-42a026d6aa51.jpg?v=1780818717","url":"https:\/\/makeitstudios.com\/products\/4-4-a563-grade-a-heavy-hex-nut-plain","provider":"MakeIt Studio","version":"1.0","type":"link"}