S-93548A728 1/2"-13 x 4" ASTM A307, SAE J429, 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 zinc-plated steel construction for extended service life in demanding environments
- Exceptional tensile strength rated at 60,000 PSI to withstand heavy loads and structural stress
- Secure anti-rotation locking with integrated square neck design that prevents spinning during installation
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster installation and reliable performance
- Enhanced durability with Rockwell B70 hardness rating that resists deformation under pressure
- Versatile fully-threaded design allowing for maximum adjustability and clamping force distribution
- Industry compliance assurance meeting multiple engineering standards for quality and reliability
Professional Applications & Engineering Value
This Grade 2 carriage bolt delivers exceptional engineering value through its zinc-plated steel construction and robust mechanical properties. The combination of 60,000 PSI tensile strength and Rockwell B70 hardness ensures reliable performance in structural applications where vibration resistance and load-bearing capacity are critical. The square neck design provides positive locking against rotation during tightening, eliminating the need for additional anti-rotation measures. With UNC coarse threading and Class 2A thread fit, these bolts offer quick installation in wood-to-metal and structural steel connections, making them ideal for construction, agricultural equipment, and heavy machinery applications where durability and corrosion resistance are paramount.
Specification Summary & Compliance
This carriage bolt features precision Class 2A thread fit with UNC coarse threading (1/2"-13) and meets multiple industry standards including ASTM A307, SAE J429, and ASME B18.5. The product is fully compliant with RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across various industrial applications while maintaining consistent dimensional accuracy and mechanical properties as specified by these governing standards.
