S-93180A280 1/4"-20 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 for extended service life in harsh environments, thanks to 316 stainless steel construction
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness to withstand high-stress applications
- Secure anti-rotation locking during installation provided by the integrated square neck design
- Reliable coarse threading (UNC 1/4"-20) with Class 2A fit for faster assembly and reduced cross-threading risk
- Full-threaded shank for maximum grip length and versatile fastening depth options
- Industry-standard compliance with ASME B18.5 specifications ensuring consistent quality and interchangeability
- Environmental regulation adherence through RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This 316 stainless steel carriage bolt delivers critical performance in demanding industrial and marine applications where corrosion and high tensile loads are primary concerns. The square neck design prevents rotation during nut tightening, eliminating the need for secondary locking mechanisms and speeding up assembly in structural frameworks, machinery, and dock installations. The fully threaded UNC coarse spacing provides excellent engagement in wood, metal, and composite materials, while the 70,000 psi tensile strength ensures long-term joint integrity under vibration and dynamic loads. Its rounded head profile offers a safer, snag-free surface ideal for public infrastructure and transportation equipment.
Specification Summary & Compliance
This 1/4"-20 x 6" carriage bolt features UNC coarse thread with Class 2A fit tolerance for reliable assembly. Manufactured to ASME B18.5 dimensional standards, it ensures precise compatibility with standard nuts and tools. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial procurement.
