S-93180A667 1/2"-13 x 7" 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 in harsh environments thanks to 316 stainless steel construction
- Exceptional mechanical strength with 70,000 psi tensile strength for heavy-duty load-bearing applications
- Reliable anti-rotation performance ensured by the square neck design, preventing loosening under vibration
- Optimized for quick assembly with a coarse UNC thread and Class 2A fit for easy starting and secure fastening
- Enhanced durability and surface hardness with a Rockwell B55 rating, resisting wear and deformation
- Secure and stable head seating provided by the wide, rounded carriage head design
- Versatile fastening solution with a partially threaded shank for applications requiring a non-threaded grip area
Professional Applications & Engineering Value
This 316 Stainless Steel Carriage Bolt is engineered to solve critical challenges in demanding industrial settings. The combination of corrosion-resistant 316 stainless steel and a Rockwell B55 hardness ensures long-term reliability in environments exposed to moisture, chemicals, and stress, significantly reducing maintenance and replacement frequency. The square neck and rounded head work in tandem to provide superior anti-rotation, a vital feature in structural applications, wood-to-metal connections, and machinery subjected to vibration. Its 1/2"-13 UNC coarse thread and Class 2A thread fit facilitate faster installation and a secure hold, making it an efficient and dependable choice for construction, marine, and heavy equipment assembly where failure is not an option.
Specification Summary & Compliance
This bolt adheres to ASME B18.5 dimensional standards, ensuring precise interchangeability. The threading conforms to UNC coarse thread specifications with a Class 2A tolerance for a free-fitting assembly. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated markets and commitment to environmental safety.
