S-93180A350 5/16"-18 x 2 1/2" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments like marine and chemical processing
• Superior anti-rotation performance due to the square neck design, preventing loosening under vibration and dynamic loads
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity for heavy-duty industrial applications
• Rockwell B55 hardness provides excellent durability and resistance to wear and deformation
• Full threading with UNC coarse thread allows for deep engagement and faster installation in various materials
• Class 2A thread fit offers consistent, reliable fastening with standard nut compatibility
• Compliance with ASME B18.5, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations

Professional Applications & Engineering Value

This 316 stainless steel carriage bolt is engineered to address critical challenges in corrosive and high-moisture environments. The rounded head with square neck provides secure anti-rotation, making it ideal for wood-to-metal fastening in marine applications, chemical processing equipment, and outdoor structures. Its UNC coarse threading and fully threaded design enable quick, stable installations in soft materials, while the high tensile strength and corrosion-resistant properties reduce maintenance needs and extend service life in demanding industrial settings.

Specification Summary & Compliance

This carriage bolt features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It meets ASME B18.5 manufacturing specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industry-standard reliability.