{"product_id":"3-3-4-4-a563-grade-a-heavy-hex-nut-hot-dipped-galvanized","title":"3 3\/4-4 A563 Grade A Heavy Hex Nut Hot Dipped Galvanized","description":"3 3\/4-4 A563 Grade A Heavy Hex Nut Hot Dipped Galvanized . 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.","brand":"FMW Fasteners","offers":[{"title":"Default Title","offer_id":29021864001558,"sku":"1585242639-1921","price":0.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/2215\/8102\/products\/Grade_A_Heavy_Hex_Nut_Hot_Dipped_Galvanized_394x_0282e577-c9a6-475d-83f2-5141f3f02879.jpg?v=1585602971","url":"https:\/\/toolsfortitans.myshopify.com\/en-us\/products\/3-3-4-4-a563-grade-a-heavy-hex-nut-hot-dipped-galvanized","provider":"Titan Tools","version":"1.0","type":"link"}