S-92356A157 1/2"-13 x 3 3/4" 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 18-8 stainless steel construction, ideal for harsh or outdoor environments.
- Exceptional anti-rotation performance due to the integrated square neck design, preventing bolt spin during tightening.
- High tensile strength of 70,000 psi ensures reliable performance under significant mechanical loads.
- Durable Rockwell B55 hardness provides excellent resistance to wear and deformation.
- Reliable coarse threading (1/2"-13 UNC) allows for faster installation and reduced cross-threading risk.
- Precise Class 2A thread fit guarantees consistent engagement and ease of assembly.
- Wide, rounded head design offers a larger bearing surface for improved load distribution and a finished appearance.
Professional Applications & Engineering Value
This 18-8 Stainless Steel Carriage Bolt is engineered to solve critical challenges in industrial assembly and construction. The square neck securely locks into materials, eliminating rotation and ensuring stable connections in wood-to-metal and structural timber applications. Its fully threaded, coarse UNC thread design enables quick, secure fastening in heavy machinery, agricultural equipment, and outdoor infrastructure, where vibration resistance is paramount. Manufactured from corrosion-resistant 18-8 stainless steel, it withstands moisture, chemicals, and extreme weather, reducing maintenance and replacement costs. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures long-term reliability in demanding environments, making it a trusted choice for engineers and procurement specialists seeking durable, compliant fastening solutions.
Specification Summary & Compliance
This carriage bolt features a 1/2"-13 UNC coarse thread with a Class 2A thread fit for standard tolerance and assembly ease. It is manufactured in compliance with ASME B18.5 specifications, ensuring dimensional accuracy and performance reliability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.
