S-93180A430 3/8"-16 x 1 1/2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial and marine environments
• Enhanced anti-rotation performance due to the square neck design, preventing loosening under vibration and load
• High tensile strength of 70,000 psi ensures reliable performance in heavy-duty applications
• Excellent durability with Rockwell B55 hardness for long service life and resistance to wear
• Easy installation and removal with fully threaded UNC coarse pattern and right-hand thread direction
• Precise thread fit (Class 2A) for smooth assembly and consistent engagement in mating parts
• Wide rounded head profile provides a larger bearing surface for secure fastening and reduced surface damage

Professional Applications & Engineering Value

This 316 stainless steel carriage bolt is engineered to address common industrial challenges, such as corrosion in outdoor or chemical-exposed settings. The square neck securely locks into materials, eliminating rotation during tightening and enhancing safety in structural assemblies, wood-to-metal connections, and machinery. With its UNC coarse thread and fully threaded design, it offers quick installation and high clamping force, making it ideal for construction, transportation, and marine equipment. The rounded head minimizes protrusion risks while the material's inherent resistance to pitting and crevice corrosion ensures long-term reliability in demanding environments.

Specification Summary & Compliance

This carriage bolt features a 3/8"-16 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and ease of assembly. It is manufactured in compliance with ASME B18.5 standards, ensuring consistent quality and interchangeability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.