S-93604A667 3/8"-16 x 1" 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 for extended service life in harsh environments
- Enhanced anti-rotation performance through square neck design that prevents spinning during installation
- High tensile strength of 60,000 psi ensures reliable performance in demanding applications
- Optimal hardness rating of Rockwell B70 provides excellent durability and wear resistance
- Easy installation and removal with fully threaded UNC coarse threading and right-hand direction
- Precise thread fit with Class 2A tolerance ensures consistent performance and compatibility
- Broad regulatory compliance meeting ASTM, ASME, RoHS 3, and REACH standards for quality assurance
Professional Applications & Engineering Value
These hot-dipped galvanized steel carriage bolts deliver exceptional value in industrial and construction settings where corrosion resistance and anti-rotation capabilities are critical. The square neck design effectively prevents bolt rotation during torque application, making them ideal for wood-to-metal connections, structural framing, and heavy equipment assembly. The Grade 2 classification combined with 60,000 psi tensile strength ensures reliable performance in load-bearing applications, while the 3/8"-16 UNC coarse threading provides excellent grip and faster installation in various materials. The hot-dipped galvanized coating offers superior protection against rust and environmental degradation, extending service life in outdoor applications, agricultural equipment, and marine environments where moisture exposure is common.
Specification Summary & Compliance
This carriage bolt features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and full threading along the 1" length. Manufactured to meet ASTM A307 specifications for low carbon steel bolts, ASTM A153 for zinc coating requirements, and ASME B18.5 dimensional standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications.
