S-90185A275 3/4"-10 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 security with a square neck that locks into materials to prevent spinning during tightening, ensuring reliable installation.
- Excellent corrosion resistance from zinc plating, providing durable protection in various industrial environments.
- High tensile strength of 120,000 psi and Grade 5 classification for dependable performance in heavy-duty applications.
- Precise Class 3A thread fit with UNC coarse threading for easier engagement and reduced cross-threading risks.
- Rockwell C25 hardness ensures the bolt maintains its shape and integrity under high stress and load conditions.
- Partially threaded design allows for secure clamping where only a specific section requires threading, optimizing grip strength.
- Compliance with ASME B18.5 standards, RoHS 3, and REACH, ensuring quality, safety, and environmental responsibility.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel carriage bolt is engineered to address common challenges in structural and machinery assemblies, such as vibration-induced loosening and corrosion. The wide rounded carriage head and square neck work together to embed securely into wood or metal, providing exceptional anti-rotation that is critical in dynamic load environments. Its UNC coarse thread and Class 3A fit facilitate quick installation with high precision, reducing assembly time while maintaining joint integrity. Ideal for construction, agricultural equipment, and transportation infrastructure, this bolt's 120,000 psi tensile strength and robust Rockwell C25 hardness ensure long-term reliability, even under strenuous conditions, making it a trusted choice for professionals seeking durability and compliance with industrial standards.
Specification Summary & Compliance
This carriage bolt features a 3/4"-10 UNC coarse thread with a Class 3A thread fit for precise dimensional accuracy. It meets ASME B18.5 manufacturing specifications, ensuring consistent quality and performance. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.
