S-93180A360 5/16"-18 x 3" 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 316 stainless steel construction, ideal for harsh environments including marine and chemical applications
- Enhanced anti-rotation performance thanks to the square neck design that prevents spinning during installation
- High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
- Excellent durability with Rockwell B55 hardness for long service life in demanding industrial settings
- Secure fastening with fully threaded UNC coarse thread design for faster installation and stronger grip
- Precision thread fit with Class 2A tolerance ensuring consistent performance and easy assembly
- Wide rounded carriage head provides larger bearing surface for improved load distribution
Professional Applications & Engineering Value
These 316 stainless steel carriage bolts deliver exceptional value in applications where corrosion resistance and structural integrity are paramount. The marine-grade 316 stainless steel composition withstands chloride exposure and harsh chemicals, making them ideal for marine equipment, food processing machinery, and chemical plant installations. The square neck design provides positive locking against rotation during torque application, eliminating the need for secondary locking mechanisms. With fully threaded UNC coarse threads, these bolts offer faster installation and superior pull-out resistance in wood, metal, and composite materials. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures reliable performance in structural applications, conveyor systems, and heavy equipment where vibration resistance is critical.
Specification Summary & Compliance
This 5/16"-18 UNC carriage bolt features precision Class 2A thread fit with coarse thread spacing for optimal performance. Manufactured to ASME B18.5 standards for dimensional accuracy and quality assurance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.
