S-92356A178 1/2"-13 x 9 1/2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or outdoor environments
• Exceptional tensile strength rated at 70,000 psi for reliable performance in demanding applications
• Secure anti-rotation locking provided by the square neck design, preventing bolt spin during installation and use
• Easy installation and removal with coarse UNC threading and Class 2A thread fit ensuring smooth engagement
• Enhanced load distribution from the wide rounded head, reducing surface pressure and material damage
• Regulatory compliance assurance meeting ASME B18.5 standards, RoHS 3, and REACH for safe, quality use
• Durable mechanical properties with Rockwell B55 hardness offering excellent wear resistance

Professional Applications & Engineering Value

This heavy-duty carriage bolt is engineered to solve critical industrial challenges where vibration resistance, corrosion prevention, and structural integrity are paramount. The 18-8 stainless steel material provides lasting protection against rust and chemical exposure, making it suitable for marine, construction, and agricultural equipment. Its partially threaded design and square neck work together to eliminate rotation in wood or metal assemblies, ensuring stable connections in trailers, fencing, and machinery frames. The 1/2"-13 UNC coarse thread enables quick assembly even in dirty or imperfect conditions, while the wide rounded head minimizes embedding and surface damage. These features deliver reliable, long-term performance in structural and fastening applications requiring both strength and compliance.

Specification Summary & Compliance

This carriage bolt features a 1/2"-13 UNC coarse thread with Class 2A thread fit for standard tolerance and interchangeability. It is manufactured in accordance with ASME B18.5 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality. The bolt's dimensions include a 9-1/2" length, 1.094" head diameter, and 0.52" square neck width, providing precise engineering for industrial use.