S-92356A546 1/4"-20 x 1 1/2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh or outdoor environments
• Superior anti-rotation performance due to the integrated square neck, preventing bolt spin during tightening
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity
• Wide, rounded head design distributes clamping force evenly and provides a finished appearance
• Coarse UNC threading with Class 2A fit allows for faster assembly and reliable engagement in various materials
• Full threading along the 1-1/2" length offers maximum flexibility for nut placement and adjustment
• Compliance with major industry standards including ASME B18.5, RoHS 3, and REACH for guaranteed quality and safety

Professional Applications & Engineering Value

This 1/4"-20 UNC Carriage Bolt is engineered to solve critical challenges in construction, machinery assembly, and outdoor structural applications. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, making it suitable for environments exposed to moisture, chemicals, or weather extremes. The square neck securely locks into the mating material, preventing rotation during installation and under dynamic loads, which is vital for maintaining joint integrity in vibrating equipment or timber constructions. The coarse UNC thread and Class 2A fit ensure quick, reliable fastening in wood, metal, and composite materials, reducing assembly time while providing a secure, vibration-resistant connection. Its fully threaded design and rounded head offer versatility and a clean finish, ideal for applications where both strength and aesthetics are important.

Specification Summary & Compliance

This carriage bolt features precise Class 2A thread fit and adheres to UNC coarse thread standards with a size of 1/4"-20. It is manufactured in compliance with the ASME B18.5 standard, ensuring dimensional accuracy and performance reliability. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for hazardous substances.