S-92356A149 3/8"-16 x 4 3/4" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads
• Secure anti-rotation locking provided by the square neck design, preventing bolt spin during installation and ensuring stable fastening
• Wide rounded head profile offers increased bearing surface for better load distribution and reduced surface damage
• Full threading with coarse UNC pattern enables faster installation and superior grip in various materials
• Precision manufacturing to Class 2A thread fit ensures consistent quality and compatibility with standard nuts
• Regulatory compliance meets ASME B18.5 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

This 3/8"-16 UNC carriage bolt delivers exceptional engineering value across multiple industrial sectors. The 18-8 stainless steel composition provides outstanding corrosion resistance, making it ideal for construction, marine applications, and food processing equipment where moisture exposure is common. The square neck design effectively prevents rotation during tightening, eliminating the need for secondary locking mechanisms and reducing installation time. With full threading and coarse UNC threads, these bolts offer superior pull-out resistance in wood, metal, and composite materials. The wide rounded head distributes clamping force evenly, preventing surface damage while maintaining structural integrity in heavy-duty fastening applications such as structural steel connections, trailer assemblies, and machinery frames.

Specification Summary & Compliance

This carriage bolt features precision 3/8"-16 UNC coarse threads with Class 2A thread fit for consistent performance and compatibility. Manufactured to ASME B18.5 standards, it ensures dimensional accuracy and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. With a length of 4-3/4" and right-hand thread direction, it meets industrial requirements for reliable fastening solutions in demanding applications.