S-92356A566 1/4"-20 x 6" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, heavy-duty load-bearing performance.
• Secure anti-rotation locking provided by the integrated square neck, preventing the bolt from turning during installation and ensuring stable connections.
• Broad compatibility and easy installation with fully threaded UNC coarse spacing (1/4"-20), designed for quick assembly and disassembly in various materials.
• Precise dimensional accuracy with Class 2A thread fit, ensuring consistent performance and interchangeability in demanding applications.
• Enhanced durability and longevity from the rounded carriage head and wide profile, distributing load effectively and resisting wear over time.
• Compliance with global standards, including ASME B18.5 for dimensional integrity and RoHS 3/REACH for environmental safety in industrial use.

Professional Applications & Engineering Value

This 18-8 stainless steel carriage bolt is engineered to address common industrial challenges such as vibration loosening and material degradation. The square neck design securely locks into mating materials, eliminating rotation during torque application—critical for structural frameworks, machinery assembly, and transportation equipment. Its fully threaded UNC coarse spacing ensures rapid installation in wood, metal, and composite substrates, reducing labor time while maintaining high tensile strength (70,000 psi). The corrosion-resistant properties of 18-8 stainless steel make it suitable for outdoor, marine, and chemical-exposed settings, prolonging service life and minimizing maintenance. By integrating ASME B18.5 standards, this bolt delivers consistent performance in construction, agricultural, and manufacturing sectors where reliability is paramount.

Specification Summary & Compliance

This carriage bolt adheres to precise dimensional tolerances, including a Class 2A thread fit for reliable engagement and UNC coarse threading (1/4"-20) per standardized specifications. Manufactured in compliance with ASME B18.5 for dimensional accuracy and mechanical properties, it also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are upheld for industrial and international supply chains.