S-93604A719 1/2"-13 x 3 1/2" 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 protection with hot-dipped galvanized steel coating, ideal for outdoor and harsh industrial environments
- Prevents rotation during installation thanks to the square neck design that locks securely into materials
- High tensile strength of 60,000 PSI ensures reliable load-bearing capacity for structural applications
- Rockwell B70 hardness provides excellent resistance to deformation under stress
- Coarse UNC threading allows for faster installation and better performance in wood and soft materials
- Full threading along the entire length offers maximum flexibility in nut placement and clamping force
- Compliant with major industry standards including ASTM A307, ASTM A153, and ASME B18.5 for guaranteed quality
Professional Applications & Engineering Value
These hot-dipped galvanized steel carriage bolts are engineered to address common challenges in construction and industrial assembly, such as corrosion-induced failure and loosening under vibration. The square neck securely embeds into connected materials, preventing spin-out during tightening and ensuring stable, long-term fastening. With a coarse UNC thread pattern and Class 2A thread fit, they provide quick installation and reliable grip in wood, metal framing, and structural timber applications. The heavy-duty galvanized coating offers robust protection against rust and environmental exposure, making them ideal for outdoor structures, agricultural equipment, and infrastructure projects where durability and compliance with ASTM A307 and ASME B18.5 standards are critical.
Specification Summary & Compliance
This carriage bolt features precise UNC 1/2"-13 coarse threads with a Class 2A thread fit for consistent engagement and ease of assembly. Manufactured to meet ASTM A307 (Grade 2), ASTM A153 (galvanizing standards), and ASME B18.5 dimensional specifications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial and construction applications.
