S-93180A250 1/4"-20 x 2 1/2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction
• Exceptional tensile strength of 70,000 psi for reliable performance in demanding applications
• Effective anti-rotation locking provided by the integrated square neck design
• Optimized for quick installation with a fully threaded UNC coarse thread pattern
• Consistent dimensional accuracy ensured by Class 2A thread fit for secure fastening
• Enhanced durability with a Rockwell B55 hardness rating for long service life
• Broad industrial compliance meeting ASME B18.5 standards and environmental regulations

Professional Applications & Engineering Value

This 316 Stainless Steel Carriage Bolt is engineered to solve critical challenges in industrial and marine settings where corrosion and vibration are major concerns. The square neck design securely locks into materials, preventing rotation during torque application and eliminating the need for additional locking washers. Its fully threaded UNC coarse pattern ensures rapid assembly and high clamp force in wood, metal, and composite applications. The rounded head profile provides a finished appearance while reducing snagging risks. Ideal for structural connections, machinery assembly, and outdoor equipment, this bolt delivers long-term reliability where standard fasteners would fail, backed by its 70,000 psi tensile strength and premium stainless steel composition.

Specification Summary & Compliance

This carriage bolt features precise Class 2A thread fit with 1/4"-20 UNC coarse threading and right-hand direction. Manufacturing conforms to ASME B18.5 specifications, ensuring dimensional consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making it suitable for regulated industrial applications requiring environmental responsibility.