S-93180A450 3/8"-16 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, ideal for marine, chemical, and outdoor applications
• Exceptional tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration
• Secure anti-rotation locking with the square neck design, preventing spinning during installation and maintaining joint integrity
• Easy installation and removal with coarse UNC threading and Class 2A fit, providing smooth engagement and disassembly
• Enhanced durability with Rockwell B55 hardness, resisting wear and deformation in demanding industrial use
• Broad compatibility with ASME B18.5 standards, ensuring precise dimensions and reliable interchangeability
• Environmental and safety compliance with RoHS 3 and REACH regulations, supporting sustainable and safe manufacturing practices

Professional Applications & Engineering Value

This 316 stainless steel carriage bolt is engineered to address critical challenges in industrial settings, such as corrosion from chemicals, moisture, and salt exposure. The fully threaded UNC coarse thread design allows for quick assembly and strong holding power in wood, metal, and composite materials, reducing installation time and labor costs. The square neck securely locks into materials to prevent rotation, ensuring stable connections in machinery, construction, and transportation equipment. With its high tensile strength and hardness, it withstands dynamic loads and vibrations, making it ideal for structural frameworks, marine hardware, and agricultural machinery where reliability is paramount. The rounded head offers a smooth finish, minimizing snagging risks in safety-critical applications.

Specification Summary & Compliance

This carriage bolt adheres to ASME B18.5 specifications for dimensional accuracy, including a 3/8"-16 UNC coarse thread with Class 2A fit for consistent performance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. The bolt features a square neck for anti-rotation, a rounded head profile, and is fully threaded for versatile use across industrial applications.