{"product_id":"5-8-11-x-3-1-4-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"5\/8\" x 3-1\/4\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e5\/8\" x 3-1\/4\" Conquest A325 Type 1 Heavy Hex Structural Bolt Plain Finish\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e\u003cem\u003eWhen pairing a nut with a hex bolt, the material and finish must match. If these do not match, the nut will not fit the bolt.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eConquest A325 Type 1 Heavy Hex Structural Bolts in 5\/8\" diameter are built for critical structural bolting where strength, durability, and reliability are non-negotiable. Manufactured to ASTM F3125 standards (incorporating A325), these bolts are widely used in steel-to-steel connections for bridgework, infrastructure, and commercial steel assemblies.\u003c\/p\u003e\n\n\u003ch2\u003eTrusted Heavy Duty Bolts for Infrastructure and High-Load Steel Framing\u003c\/h2\u003e\n\u003cp\u003eWith a 1-1\/4\" thread length and coarse 11 TPI threading, these carbon steel bolts ensure solid engagement and consistent load distribution. The heavy hex head increases wrenching area for greater torque and holding power, making them a go-to for steel fabrication and structural projects requiring code-compliant performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5\/8\" Diameter Carbon Steel:\u003c\/strong\u003e Delivers high tensile strength for demanding structural assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-1\/4\" Thread Length (11 TPI):\u003c\/strong\u003e Provides reliable grip and controlled load transfer in joints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM F3125 \/ A325 Compliant:\u003c\/strong\u003e Meets modern engineering standards for structural steel bolting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoarse Thread Type:\u003c\/strong\u003e Ensures strong bite and efficient installation in high-load applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head Design:\u003c\/strong\u003e Increases torque capacity and load-bearing surface area.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSteel-to-Steel Focus:\u003c\/strong\u003e Ideal for bridges, beams, columns, and steel frameworks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInfrastructure-Grade Performance:\u003c\/strong\u003e Used in commercial construction, highway systems, and heavy industrial builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStructural steel connections in bridges and highways\u003c\/li\u003e\n  \u003cli\u003eSteel frame assembly in commercial and industrial buildings\u003c\/li\u003e\n  \u003cli\u003eHigh-strength bolting for columns, girders, and braces\u003c\/li\u003e\n  \u003cli\u003eSteel-to-steel joints in large-scale infrastructure projects\u003c\/li\u003e\n  \u003cli\u003eFabrication and erection of pre-engineered metal buildings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with heavy hex nuts and hardened washers with the same finish\/standards to ensure proper fit and load transfer\u003c\/li\u003e\n  \u003cli\u003eFollow approved tensioning methods such as calibrated wrench or turn-of-nut for proper preload\u003c\/li\u003e\n  \u003cli\u003eVerify bolt length allows for full thread engagement and minimum thread exposure as per project specs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eCalifornia Residents: \u003ca href=\"\/prop-65\" style=\"color: black;\" target=\"_blank\"\u003eWARNING\u003c\/a\u003e\u003c\/b\u003e\u003c\/p\u003e","brand":"US Cargo Control","offers":[{"title":"Default Title","offer_id":44455938588717,"sku":"SB-58X314","price":1.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-58X314-1.jpg?v=1768411811","url":"https:\/\/www.uscargocontrol.com\/products\/5-8-11-x-3-1-4-conquest-a325-type-1-heavy-hex-structural-bolt-plain","provider":"US Cargo Control","version":"1.0","type":"link"}