S-92356A118 5/16"-18 x 7/8" 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 18-8 stainless steel construction, ideal for harsh or outdoor environments
- Enhanced anti-rotation security provided by the integrated square neck, preventing bolt spin during tightening
- High tensile strength of 70,000 psi ensures reliable performance in heavy-duty and structural applications
- Precision Class 2A thread fit guarantees smooth assembly and consistent engagement with mating nuts
- Wide, rounded head design distributes clamping force effectively and provides a finished appearance
- Full threading and coarse UNC thread allows for deep penetration and faster installation
- Compliance with ASME B18.5 and environmental regulations ensures quality, safety, and material responsibility
Professional Applications & Engineering Value
This 5/16"-18 UNC carriage bolt is engineered to solve critical fastening challenges in industrial and construction settings. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, making it suitable for outdoor structures, marine applications, and food processing equipment where moisture is a concern. The square neck design is a key engineering feature that locks securely into wood or metal, preventing rotation during assembly and eliminating the need for secondary locking mechanisms. With its fully threaded coarse UNC thread and Class 2A fit, it ensures quick, reliable installation in timber, sheet metal, and framework assemblies, reducing labor time and improving joint integrity.
Specification Summary & Compliance
This carriage bolt features a 5/16"-18 UNC coarse thread with a Class 2A thread fit for standard tolerance and compatibility. It is manufactured in compliance with the ASME B18.5 standard for dimensional accuracy and performance. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations for hazardous substances.
