S-93604A739 1/2"-13 x 10" ASTM A307, ASTM A153, ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with hot-dipped galvanized steel coating, ideal for outdoor and high-moisture environments
• Enhanced anti-rotation performance due to the integrated square neck design, preventing bolt spin during installation and use
• Reliable tensile strength of 60,000 psi and Grade 2 classification for dependable load-bearing in construction and industrial applications
• Optimized thread engagement with partial threading and coarse UNC threads, ensuring faster assembly and secure fastening
• Consistent dimensional accuracy with Class 2A thread fit, providing smooth installation and reduced risk of cross-threading
• Durable material hardness rated at Rockwell B70, offering excellent resistance to wear and deformation under stress
• Broad regulatory compliance including ASTM A307, ASME B18.5, RoHS 3, and REACH, ensuring safety and environmental standards are met

Professional Applications & Engineering Value

This hot-dipped galvanized steel carriage bolt is engineered to address common industrial challenges such as corrosion, loosening under vibration, and installation inefficiency. The square neck design locks securely into materials, eliminating rotation during tightening—a critical feature for wood-to-metal connections in construction, agricultural equipment, and structural frameworks. Its partial threading and coarse UNC thread facilitate quick, robust fastening in heavy-duty applications, while the galvanized coating provides long-lasting protection against rust, reducing maintenance costs. Ideal for use in bridges, trailers, and outdoor machinery, this bolt combines Grade 2 strength and precise Class 2A thread fit to deliver reliable performance in demanding environments, ensuring projects meet both safety and durability requirements.

Specification Summary & Compliance

This carriage bolt adheres to precise dimensional standards, including a Class 2A thread fit for consistent assembly and UNC coarse threading (1/2"-13) with right-hand direction. Manufactured in compliance with ASTM A307 and ASME B18.5 specifications, it ensures mechanical reliability and interchangeability. The product is also certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.