S-90185A265 5/8"-11 x 10" 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 the bolt from turning during installation and use.
- Exceptional tensile strength of 120,000 PSI ensures reliable performance in heavy-duty applications, reducing the risk of fastener failure under high stress.
- Enhanced corrosion resistance from zinc-plated steel construction, extending service life in various environmental conditions.
- Precise Class 3A thread fit provides consistent engagement and reduces cross-threading, ensuring easier assembly and long-term reliability.
- Full UNC coarse threading allows for faster installation and better performance in wood and soft materials, saving time on the job site.
- High hardness (Rockwell C25) offers excellent wear resistance, maintaining structural integrity through repeated use and vibration.
- Wide rounded head profile distributes clamping force evenly, minimizing surface damage and providing a secure, flush finish.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt is engineered to address common industrial challenges such as vibration loosening and material wear. The square neck design effectively counters rotation in wood, metal, and structural assemblies, making it ideal for construction, machinery, and transportation equipment. Its fully threaded UNC coarse thread ensures quick installation and robust holding power, while the zinc plating provides a protective barrier against rust and corrosion in outdoor or humid environments. With a tensile strength of 120,000 PSI and Rockwell C25 hardness, it delivers dependable performance in demanding applications, reducing maintenance needs and enhancing operational safety.
Specification Summary & Compliance
This carriage bolt features precise Class 3A thread fit and adheres to UNC thread standards with a size of 5/8"-11. It meets ASME B18.5 and SAE J429 specifications for dimensional accuracy and manufacturing quality. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial use.
