S-93180A382 5/16"-18 x 6" 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 marine and chemical environments
- Enhanced anti-rotation performance from the square neck design that prevents spinning during installation
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
- Precise Class 2A thread fit with UNC coarse threading for easier assembly and reduced cross-threading risk
- Durable Rockwell B55 hardness maintains structural integrity under vibration and stress
- Full regulatory compliance with ASME B18.5 standards, RoHS 3, and REACH for global project suitability
- Versatile fully-threaded design allows for adjustable fastening depth across various material thicknesses
Professional Applications & Engineering Value
This 316 stainless steel carriage bolt delivers exceptional engineering value in corrosive and high-stress environments. The square neck securely locks into materials to prevent rotation during torque application, solving common installation challenges in wood, metal, and composite assemblies. With UNC coarse threads and Class 2A fit, it provides reliable engagement while resisting vibration loosening. The marine-grade 316 stainless steel composition offers superior resistance to saltwater, chemicals, and extreme weather conditions, making it ideal for marine hardware, structural frameworks, industrial equipment, and outdoor infrastructure where long-term reliability is paramount. The combination of 70,000 psi tensile strength and Rockwell B55 hardness ensures consistent performance under mechanical stress.
Specification Summary & Compliance
This carriage bolt features precise Class 2A thread fit with 5/16"-18 UNC coarse threading and right-hand thread direction. Manufacturing strictly follows ASME B18.5 specifications for dimensional accuracy and performance standards. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance.
