S-93604A817 3/4"-10 x 12" ASTM A307, ASTM A153, ASME B18.5 Carriage Bolts
Carriage Bolts
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Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with hot-dipped galvanized steel coating, ideal for outdoor and harsh industrial environments
- Enhanced anti-rotation performance due to the square neck design that prevents spinning during installation
- High tensile strength of 60,000 psi ensures reliable load-bearing capacity for heavy-duty applications
- Excellent durability with Rockwell B70 hardness, maintaining structural integrity under stress
- Wide rounded head profile provides a larger bearing surface for secure fastening and reduced surface damage
- Coarse UNC threading allows for quick assembly and disassembly, even in rough conditions
- Partially threaded design offers flexibility for applications requiring unthreaded shank sections
Professional Applications & Engineering Value
This hot-dipped galvanized steel carriage bolt is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-load demands. The Grade 2 strength classification and UNC coarse thread make it suitable for construction, agricultural machinery, and structural frameworks where durability and ease of installation are critical. The square neck securely locks into materials, preventing rotation during torque application, while the partial threading allows for precise grip length adjustment. Compliant with ASTM A307 and ASME B18.5, it ensures consistent performance in heavy-duty fastening scenarios, from bridge assemblies to equipment mounts, reducing maintenance needs and downtime.
Specification Summary & Compliance
This carriage bolt features a 3/4"-10 UNC thread with Class 2A fit for standard tolerance applications, ensuring reliable engagement. It meets ASTM A307 and ASTM A153 specifications for material and coating quality, along with ASME B18.5 dimensional standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for global industrial use.
