S-93180A275 1/4"-20 x 5" ASME B18.5 Carriage Bolts
Carriage Bolts
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Neck & Shank Parameters
Dimension Parameters
Thread Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments including marine and chemical applications
- Enhanced installation stability through the square neck design that prevents rotation during tightening, ensuring secure fastening
- High tensile strength of 70,000 psi provides reliable load-bearing capacity for demanding industrial applications
- Rockwell B55 hardness ensures excellent durability and resistance to deformation under stress
- Full UNC coarse threading allows for faster installation and better performance in softer materials
- Class 2A thread fit guarantees consistent, precision threading for smooth assembly and reduced cross-threading risks
- Compliance with ASME B18.5 standards ensures dimensional accuracy and interchangeability with other compliant components
Professional Applications & Engineering Value
This 316 stainless steel carriage bolt is engineered to address critical challenges in industrial and marine environments where corrosion resistance and structural integrity are paramount. The fully threaded 1/4"-20 UNC coarse thread design, combined with a square neck, provides anti-rotation security during installation, eliminating the need for additional locking mechanisms. With a tensile strength of 70,000 psi and Rockwell B55 hardness, it withstands heavy loads and vibrational stresses in construction, transportation, and chemical processing equipment. The rounded head profile offers a finished appearance while reducing snagging risks, making it ideal for machinery, structural assemblies, and outdoor applications exposed to moisture and corrosive agents.
Specification Summary & Compliance
This carriage bolt features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional tolerance. It is manufactured in compliance with ASME B18.5 specifications, ensuring consistent quality and interchangeability. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.