S-90185A276 3/4"-10 x 11" 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 thanks to the square neck design that prevents spinning during installation, ensuring secure fastening in wood and metal assemblies.
- Enhanced corrosion resistance with zinc-plated steel construction, providing reliable protection in demanding industrial environments.
- High tensile strength of 120,000 psi and Grade 5 classification, offering dependable load-bearing capacity for heavy-duty applications.
- Precise Class 3A thread fit with coarse UNC threading, ensuring easy installation and strong engagement in various materials.
- Wide rounded head design distributes clamping force evenly, reducing surface damage and improving joint integrity.
- Rockwell C25 hardness provides excellent durability and resistance to wear, extending the fastener's service life.
- Compliance with ASME B18.5, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt is engineered to address common industrial fastening challenges, such as vibration-induced loosening and corrosion in harsh environments. The square neck and wide rounded head work together to prevent rotation during tightening, making it ideal for structural applications in construction, machinery, and transportation equipment. With a coarse UNC thread and Class 3A fit, it ensures quick assembly and reliable performance in wood, metal, and composite materials. The zinc plating offers a protective barrier against moisture and chemicals, while the high tensile strength supports heavy loads, reducing maintenance needs and downtime in demanding settings like agricultural machinery, trailer assemblies, and industrial frameworks.
Specification Summary & Compliance
This carriage bolt features a 3/4"-10 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy. It meets ASME B18.5 and SAE J429 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards for global industrial use.
