S-90185A151 5/8"-11 x 2" ASME B18.5, SAE J429 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 anti-rotation performance with a square neck design that securely locks into materials, preventing bolt spinning during installation and under vibration.
- Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Enhanced corrosion resistance from the black-oxide steel finish, providing durable protection in various industrial environments.
- Optimized for quick assembly with coarse UNC threading and full threading along the 2" length, allowing for faster installation and secure fastening.
- High durability and wear resistance due to Rockwell C25 hardness, maintaining structural integrity under repeated loads.
- Broad compatibility with a rounded carriage head and Class 2A thread fit, ensuring easy integration with standard nuts and components.
- Compliance with rigorous standards including ASME B18.5, RoHS 3, and REACH, guaranteeing safety, quality, and environmental responsibility.
Professional Applications & Engineering Value
This Grade 5 Black-Oxide Steel Carriage Bolt is engineered to address common industrial challenges such as joint loosening and material degradation. The square neck design effectively counters rotation in wood and metal assemblies, making it ideal for construction, machinery, and heavy equipment where vibration resistance is critical. Made from high-strength steel with a black-oxide finish, it resists rust and wear in harsh conditions, while the coarse UNC thread ensures quick, secure fastening even in softer materials. Its fully threaded 2" length and Class 2A fit provide versatility and precision, reducing installation time and enhancing reliability in demanding applications.
Specification Summary & Compliance
This carriage bolt features precise dimensions including a 5/8"-11 UNC coarse thread with Class 2A tolerance for consistent fit. It meets ASME B18.5 specifications and is compliant with RoHS 3 and REACH environmental regulations, ensuring it is free from hazardous substances and suitable for global industrial use.
