{"title":"Plain A325 Structural Hex Bolts","description":"\u003ch2\u003ePlain A325 Structural Bolts for Indoor Steel Connections\u003c\/h2\u003e\n\u003cp\u003ePlain finish A325 structural bolts are a trusted choice for steel-to-steel connections in controlled environments where corrosion resistance isn’t a concern. Made from medium carbon steel and heat-treated for strength, these bolts meet ASTM A325 standards and deliver dependable performance in load-critical structural assemblies.\u003c\/p\u003e\n\u003ch2\u003eBuilt for Strength. Designed for Interior Applications.\u003c\/h2\u003e\n\u003cp\u003eThese uncoated heavy hex bolts are ideal for indoor or enclosed builds, such as warehouses, fabrication facilities, and OEM manufacturing. They feature a wide bearing surface and coarse threads for secure clamping under heavy loads. Commonly paired with matching nuts and washers, plain A325 bolts offer a cost-effective solution where durability and compliance matter most.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSteel frame construction (interior)\u003c\/li\u003e\n\u003cli\u003ePre-engineered metal buildings\u003c\/li\u003e\n\u003cli\u003eBridge connections under cover or treatment\u003c\/li\u003e\n\u003cli\u003eOEM machinery, equipment frames, and industrial structures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose Our A325 Plain Bolts?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASTM A325 Certified:\u003c\/strong\u003e Meets industry standards for structural bolted joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head:\u003c\/strong\u003e Provides strong torque engagement and reliable clamping force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlain Finish:\u003c\/strong\u003e Ideal for dry, interior applications without exposure to the elements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent Shear \u0026amp; Tensile Strength:\u003c\/strong\u003e Engineered to perform under stress in load-bearing joints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Inventory:\u003c\/strong\u003e Available in a full range of sizes to meet your engineering specs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.uscargocontrol.com\/collections\/washers\"\u003eStructural Washers:\u003c\/a\u003e Ensure even load distribution and prevent wear on structural components.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.uscargocontrol.com\/collections\/nuts\"\u003eHeavy Hex Nuts:\u003c\/a\u003e Match bolt threads for secure fastening in structural joints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrom industrial machinery builds to large-scale steel construction, US Cargo Control offers plain A325 bolts that meet strength standards and ship fast. Have specific sizing needs or compliance documentation requirements? We’re ready to help you source exactly what your project demands.\u003c\/p\u003e","products":[{"product_id":"1-1-2-6-x-3-1-2-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"1-1\/2\" x 3-1\/2\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e1-1\/2\" x 3-1\/2\" ASTM F3125 A325 Type 1 Heavy Hex Structural Bolt - Plain\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 Structural Bolts are engineered for demanding structural steel connections in commercial construction, bridges, and heavy infrastructure. Their heavy hex head design provides maximum clamping force, ensuring stability in critical load-bearing assemblies. Trusted by contractors and steel fabricators, these bolts offer performance where it matters most.\u003c\/p\u003e\n\n\u003ch2\u003eASTM F3125 Compliant 1-1\/2\" Hex Bolts for Structural Applications\u003c\/h2\u003e\n\u003cp\u003eManufactured to meet ASTM F3125 standards (incorporating A325 specifications), these structural bolts are ideal for high-load connections requiring precision, strength, and durability. The plain finish offers flexibility for controlled environments where additional coatings are not required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStructural-Grade Strength:\u003c\/strong\u003e Built for bridgework, high-rise framing, and heavy steel construction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM F3125 Compliant:\u003c\/strong\u003e Ensures reliable performance in critical applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head:\u003c\/strong\u003e Delivers enhanced torque and load distribution at connection points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Finish:\u003c\/strong\u003e Suitable for indoor or protected environments where coatings aren't needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrusted by Pros:\u003c\/strong\u003e Preferred by contractors and engineers for consistency and performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdeal for Steel-to-Steel Connections:\u003c\/strong\u003e Designed to secure structural beams, columns, and plates.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade for Fast-Paced Jobsites:\u003c\/strong\u003e Reliable, easy-to-install design supports efficient workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBolting structural steel beams and girders in bridge construction\u003c\/li\u003e\n  \u003cli\u003eSteel frame connections in commercial and industrial buildings\u003c\/li\u003e\n  \u003cli\u003eSupport assemblies for highway sign structures and overpasses\u003c\/li\u003e\n  \u003cli\u003eJoining columns, braces, and plates in steel-to-steel joints\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty fastening in fabrication shops and on-site erection projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways use matching heavy hex nuts and hardened washers with matching finish\u003c\/li\u003e\n  \u003cli\u003eApply installation torque using turn-of-nut or calibrated wrench methods per job specifications\u003c\/li\u003e\n  \u003cli\u003eCheck for full thread engagement and flush bearing surfaces before final tightening\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":44455921418285,"sku":"SB-112X312","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-112X312.01.jpg?v=1768411519"},{"product_id":"1-1-4-7-x-3-1-2-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"1-1\/4\" x 3-1\/2\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e1-1\/4\" x 3-1\/2\" ASTM F3125 A325 Type 1 Heavy Hex Structural Bolt - Plain\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\u003eThese 1-1\/4\" diameter Conquest A325 Type 1 Structural Bolts are engineered for steel-to-steel connections in bridge building, structural framing, and infrastructure projects. Their heavy hex design maximizes torque and load retention, helping maintain strong, stable assemblies under dynamic loads.\u003c\/p\u003e\n\n\u003ch2\u003eASTM F3125 Compliant 1-1\/4\" Hex Bolts for Structural Applications\u003c\/h2\u003e\n\u003cp\u003eManufactured to meet ASTM F3125 (A325) standards, these structural bolts provide the strength and consistency demanded by contractors and engineers. The plain finish allows for installation in non-corrosive, controlled environments where additional coatings are not required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-1\/4\" Diameter Bolt:\u003c\/strong\u003e Built for heavy-duty structural joints and high-load connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM F3125 (A325) Compliant:\u003c\/strong\u003e Assures strength, durability, and code compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head Design:\u003c\/strong\u003e Improves torque retention and clamping force.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Finish:\u003c\/strong\u003e Ideal for indoor or protected environments without additional coatings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSteel-to-Steel Focused:\u003c\/strong\u003e Designed for beams, columns, plates, and structural assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJobsite Ready:\u003c\/strong\u003e Clean threading and consistent sizing for efficient installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrusted by Pros:\u003c\/strong\u003e Used in bridgework, commercial steel erection, and infrastructure projects.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBolting structural steel beams and girders in bridge construction\u003c\/li\u003e\n  \u003cli\u003eSteel frame connections in commercial and industrial buildings\u003c\/li\u003e\n  \u003cli\u003eSupport assemblies for highway sign structures and overpasses\u003c\/li\u003e\n  \u003cli\u003eJoining columns, braces, and plates in steel-to-steel joints\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty fastening in fabrication shops and on-site erection projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways use matching heavy hex nuts and hardened washers with matching finish\u003c\/li\u003e\n  \u003cli\u003eApply installation torque using turn-of-nut or calibrated wrench methods per job specifications\u003c\/li\u003e\n  \u003cli\u003eCheck for full thread engagement and flush bearing surfaces before final tightening\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":44455935180845,"sku":"SB-114X312","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-114X312.01.jpg?v=1768411524"},{"product_id":"1-1-8-7-x-3-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"1-1\/8\" x 3\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e1-1\/8\" x 3\" ASTM F3125 A325 Type 1 Heavy Hex Structural Bolt - Plain\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\u003eThese 1-1\/8\" diameter Conquest A325 Type 1 Structural Bolts are built for critical bolted joints in bridges, buildings, and heavy steel frameworks. With a heavy hex head and carbon steel construction, they offer the torque, clamping force, and durability required in demanding field conditions.\u003c\/p\u003e\n\n\u003ch2\u003eASTM F3125 Compliant 1-1\/8\" Hex Bolts for Commercial Steel Projects\u003c\/h2\u003e\u003cp\u003eDesigned to meet ASTM F3125 standards (formerly A325), these structural bolts ensure consistent performance under load. The plain finish is ideal for indoor or low-corrosion environments where coatings aren’t necessary.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-1\/8\" Diameter Bolt:\u003c\/strong\u003e Ideal for load-bearing connections in structural assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM F3125 Compliant:\u003c\/strong\u003e Meets strict strength and quality standards for structural steel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head:\u003c\/strong\u003e Maximizes surface engagement for greater torque and load retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon Steel Construction:\u003c\/strong\u003e Strong and reliable for high-load connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Finish:\u003c\/strong\u003e Suitable for environments where coating isn’t specified.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSteel-to-Steel Use:\u003c\/strong\u003e Perfect for bridges, steel columns, beams, and plate connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt for the Jobsite:\u003c\/strong\u003e Trusted by contractors and fabricators for reliable installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBolting structural steel beams and girders in bridge construction\u003c\/li\u003e\n  \u003cli\u003eSteel frame connections in commercial and industrial buildings\u003c\/li\u003e\n  \u003cli\u003eSupport assemblies for highway sign structures and overpasses\u003c\/li\u003e\n  \u003cli\u003eJoining columns, braces, and plates in steel-to-steel joints\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty fastening in fabrication shops and on-site erection projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways use matching heavy hex nuts and hardened washers with matching finish\u003c\/li\u003e\n  \u003cli\u003eApply installation torque using turn-of-nut or calibrated wrench methods per job specifications\u003c\/li\u003e\n  \u003cli\u003eCheck for full thread engagement and flush bearing surfaces before final tightening\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":44455935475757,"sku":"SB-118X3","price":8.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-118X3.01.jpg?v=1768411531"},{"product_id":"1-8-x-2-1-2-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"1\" x 2-1\/2\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e1\" x 2-1\/2\" Conquest A325 Type 1 Heavy Hex Structural Bolt - Carbon Steel with 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 are engineered for high-load steel-to-steel connections in structural steelwork, bridges, and infrastructure. With a 1\" diameter, 8 threads per inch, and a heavy hex head, these bolts provide superior strength and load-bearing capability in critical construction applications.\u003c\/p\u003e\n\n\u003ch2\u003e1\" Hex Bolts Built to ASTM F3125 Standards for Structural Integrity\u003c\/h2\u003e\n\u003cp\u003eMade from carbon steel and compliant with ASTM A325 (incorporated under ASTM F3125), these bolts deliver the toughness and consistency demanded in commercial and transportation infrastructure. Their threading and material make them a go-to fastener for securing steel beams, plates, and columns under dynamic loads.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1\" Diameter Carbon Steel:\u003c\/strong\u003e Heavy-duty strength for demanding steel-to-steel connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Threads Per Inch (TPI):\u003c\/strong\u003e Ensures secure engagement and superior holding power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM F3125 \/ A325 Compliant:\u003c\/strong\u003e Meets stringent industry standards for structural bolt performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head:\u003c\/strong\u003e Designed for maximum clamping force and torque resistance in load-bearing joints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStructural Application Ready:\u003c\/strong\u003e Commonly used in bridges, highways, and commercial steel frameworks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Performance:\u003c\/strong\u003e Carbon steel construction built to endure field conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrusted by Pros:\u003c\/strong\u003e Used by contractors and fabricators for high-integrity structural 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":44455935770669,"sku":"SB-1X212","price":4.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-1X212.01.jpg?v=1768411667"},{"product_id":"1-2-13-x-1-1-4-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"1\/2\" x 1-1\/4\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e1\/2\" x 1-1\/4\" Conquest A325 Type 1 Heavy Hex Structural Bolt with 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 1\/2\" diameter are engineered for steel-to-steel fastening in structural applications. These bolts meet ASTM F3125 standards, providing the strength and reliability required for bridges, commercial framing, and infrastructure work.\u003c\/p\u003e\n\n\u003ch2\u003e1\/2\" A325 Type 1 Structural Hex Bolts for Beams, Frames, and Steel Assemblies\u003c\/h2\u003e\n\u003cp\u003eWith 13 TPI coarse threads and a heavy hex head, these bolts offer solid clamping force and durability. The plain finish is suitable for controlled environments or temporary installations where corrosion resistance isn’t a priority. Built from carbon steel, these bolts are widely trusted in construction and steel fabrication.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1\/2\" Diameter Carbon Steel:\u003c\/strong\u003e Suitable for structural load-bearing in steel assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM A325 Type 1 Certified:\u003c\/strong\u003e Meets F3125 standards for steel-to-steel structural connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e13 TPI Coarse Thread:\u003c\/strong\u003e Offers secure engagement for vibration-resistant connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head:\u003c\/strong\u003e Provides increased surface contact for stronger fastening torque.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Finish:\u003c\/strong\u003e Best for dry, interior, or non-corrosive settings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard SAE Sizing:\u003c\/strong\u003e Compatible with standard fasteners and tools.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUsed In:\u003c\/strong\u003e Bridge framing, structural steel builds, steel fabrication, and industrial construction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStructural steel connections in bridges and commercial buildings\u003c\/li\u003e\n  \u003cli\u003eSteel beam and girder assembly for infrastructure projects\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty fabrication of industrial steel frameworks\u003c\/li\u003e\n  \u003cli\u003eHigh-strength bolting in transportation structures and overpasses\u003c\/li\u003e\n  \u003cli\u003eSteel-to-steel joints in construction requiring precise torque control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePair with nuts and hardened washers of the same finish for correct thread engagement and load distribution\u003c\/li\u003e\n  \u003cli\u003eUse torque methods approved by ASTM or AISC standards, typically turn-of-nut or calibrated wrench methods\u003c\/li\u003e\n  \u003cli\u003eInspect all components for damage or corrosion before assembly to ensure structural integrity\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":44455936426029,"sku":"SB-12X114","price":0.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-12X114.01.jpg?v=1768411539"},{"product_id":"3-4-10-x-2-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"3\/4\" x 2\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e3\/4\" x 2\" Conquest A325 Type 1 Heavy Hex Structural Bolt with Plain Finish 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 3\/4\" diameter are designed for strength-critical steel-to-steel connections in bridges, buildings, and infrastructure projects. Manufactured to ASTM F3125 standards and A325 specifications, these bolts deliver the performance and reliability demanded in high-load structural applications.\u003c\/p\u003e\n\n\u003ch2\u003eA325 Type 1 Bolts for Bridge Framing and High-Strength Assemblies\u003c\/h2\u003e\n\u003cp\u003eThese bolts feature a 1-3\/8\" threaded section with 10 threads per inch and a coarse thread profile, ensuring secure engagement in structural joints. The heavy hex head maximizes clamping force and torque distribution, making them the preferred choice for steel fabricators and field crews working on infrastructure and industrial frames.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3\/4\" Diameter Carbon Steel:\u003c\/strong\u003e Provides the strength required for structural steel assemblies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-3\/8\" Thread Length:\u003c\/strong\u003e Designed for efficient engagement in thick steel connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10 TPI Coarse Thread:\u003c\/strong\u003e Offers strong bite and torque control in load-bearing applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM F3125 \/ A325 Compliant:\u003c\/strong\u003e Meets rigorous standards for structural bolting performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head:\u003c\/strong\u003e Enables higher torque application and better load distribution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePurpose-Built for Steel Connections:\u003c\/strong\u003e Ideal for bridges, buildings, and steel frameworks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrusted by Industry Professionals:\u003c\/strong\u003e Used by contractors and engineers in critical projects.\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":44455937769517,"sku":"SB-34X2","price":1.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-34X2.01.jpg?v=1768411708"},{"product_id":"5-8-11-x-1-3-4-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"5\/8\" x 1-3\/4\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e5\/8\" x 1-3\/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":44455937933357,"sku":"SB-58X134","price":0.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-58X134.01.jpg?v=1768411798"},{"product_id":"7-8-9-x-2-1-4-conquest-a325-type-1-heavy-hex-structural-bolt-plain","title":"7\/8\" x 2-1\/4\" Conquest A325 Type 1 Heavy Hex Structural Bolt, Plain","description":"\u003ch2\u003e7\/8\" x 2-1\/4\" Conquest A325 Type 1 Heavy Hex Structural Boltwith 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 Structural Bolts in 7\/8\" diameter are built for high-strength steel-to-steel bolting applications. Designed to meet ASTM F3125 standards, these heavy hex bolts provide secure, load-bearing connections in infrastructure, commercial construction, and industrial steel assemblies.\u003c\/p\u003e\n\n\u003ch2\u003e7\/8\" A325 Type 1 Heavy Hex Structural Bolts for Bridges, Frames, and Heavy-Duty Steelwork\u003c\/h2\u003e\n\u003cp\u003eThese bolts feature a 9 TPI coarse thread and a plain finish, ideal for environments where corrosion resistance isn’t required but structural integrity is essential. The carbon steel construction offers dependable tensile strength, making them a go-to option for structural steel fabricators, contractors, and OEMs working on critical connections like I-beams, flanges, and support systems.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7\/8\" Diameter Carbon Steel:\u003c\/strong\u003e Delivers high tensile strength for heavy-load connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA325 Type 1 Compliance:\u003c\/strong\u003e Meets ASTM F3125 specifications for structural bolting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e9 TPI Coarse Thread:\u003c\/strong\u003e Ensures tight, vibration-resistant engagement in steel-to-steel joints.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeavy Hex Head Design:\u003c\/strong\u003e Provides greater clamping force and larger bearing surface area.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlain Finish:\u003c\/strong\u003e Ideal for indoor or temporary structural installs where corrosion resistance is not required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard SAE Measuring System:\u003c\/strong\u003e Compatible with common tools and fasteners in U.S. applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon Uses:\u003c\/strong\u003e Structural framing, bridge construction, column anchoring, and steel fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStructural steel connections in bridges and commercial buildings\u003c\/li\u003e\n  \u003cli\u003eSteel beam and girder assembly for infrastructure projects\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty fabrication of industrial steel frameworks\u003c\/li\u003e\n  \u003cli\u003eHigh-strength bolting in transportation structures and overpasses\u003c\/li\u003e\n  \u003cli\u003eSteel-to-steel joints in construction requiring precise torque control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePair with nuts and hardened washers of the same finish for correct thread engagement and load distribution\u003c\/li\u003e\n  \u003cli\u003eUse torque methods approved by ASTM or AISC standards, typically turn-of-nut or calibrated wrench methods\u003c\/li\u003e\n  \u003cli\u003eInspect all components for damage or corrosion before assembly to ensure structural integrity\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":44455939866669,"sku":"SB-78X214","price":2.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/files\/SB-78X214.01.jpg?v=1768411863"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0283\/2229\/9949\/collections\/A325-plain-structural-hex-bolts-cimg.jpg?v=1768407730","url":"https:\/\/www.uscargocontrol.com\/collections\/plain-a325-structural-hex-bolts.oembed","provider":"US Cargo Control","version":"1.0","type":"link"}