{"product_id":"heavy-hex-nuts-grade-2h-steel-hdg-astm-a563-2-1-2-8_251a5632hgbb","title":"2-1\/2-8 Heavy Hex Nuts | Grade 2H Hot Dipped Galvanized Steel | ASTM A563 (8 \/ Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered to withstand demanding structural and mechanical applications, the \u003cb\u003eHeavy Hex Nuts Grade 2H Steel HDG ASTM A563 2 1\/2-8\u003c\/b\u003e delivers reliable performance in harsh environments. With a hot-dip galvanized coating, these nuts resist corrosion and extend service life in outdoor or damp settings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cb\u003eMaterial:\u003c\/b\u003e Grade 2H steel for strong, durable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eFinish:\u003c\/b\u003e Hot-Dip Galvanized (HDG) coating for maximum corrosion resistance.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eStandard:\u003c\/b\u003e Meets ASTM A563 for heavy hex nuts.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eType:\u003c\/b\u003e Heavy hex nut designed for high-torque, high-load applications.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSize range:\u003c\/b\u003e Available in sizes from 2-1\/2\" to 8\" bolt diameters.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for construction, heavy machinery, structural steel connections, and outdoor installations where dependable fastening and protection against the elements are essential.\u003c\/p\u003e \u003ch3\u003eWhy choose Grade 2H HDG heavy hex nuts?\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eReliability and compatibility:\u003c\/b\u003e Grade 2H steel provides robust strength for demanding assemblies, while HDG coating protects against rust and corrosion. These nuts pair with corresponding bolts and washers to form secure, long-lasting connections.\u003c\/p\u003e \u003ch4\u003eKey benefits\u003c\/h4\u003e\n\u003cul\u003e \u003cli\u003eResistant to corrosion in wet or outdoor environments due to HDG coating.\u003c\/li\u003e \u003cli\u003eMeets industry-standard ASTM A563 requirements for quality and performance.\u003c\/li\u003e \u003cli\u003eSuitable for a wide range of imperial-size bolt diameters from 2-1\/2\" to 8\".\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":50379690508567,"sku":"251A5632HGBB","price":197.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/50A563DHKC_a71efc0a-804d-4b37-a537-1be0d8eb60c0.webp?v=1747173409","url":"https:\/\/mutualscrew.com\/products\/heavy-hex-nuts-grade-2h-steel-hdg-astm-a563-2-1-2-8_251a5632hgbb","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}