S-94050A160 5/16"-18 x 1 1/4" ASME B18.5 Carriage Bolts

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in marine and harsh industrial environments
• Integrated square neck design provides reliable anti-rotation performance during installation and operation
• Fully threaded UNC coarse thread ensures faster installation and superior holding power
• ASME B18.5 compliance guarantees dimensional accuracy and interchangeability
• RoHS 3 and REACH compliance meets environmental regulations for safe industrial use
• Class 2A thread fit provides optimal clearance for easy assembly while maintaining strength
• Wide rounded head profile distributes clamping force evenly and prevents pull-through

Professional Applications & Engineering Value

These silicon bronze carriage bolts deliver exceptional performance where corrosion resistance is critical. The square neck design prevents rotation during tightening, making them ideal for wood-to-metal connections in marine hardware, dock construction, and coastal infrastructure. The fully threaded 5/16"-18 UNC coarse thread provides maximum engagement in softer materials while the silicon bronze material offers excellent resistance to saltwater corrosion and stress corrosion cracking. These carriage bolts are engineered to withstand harsh environmental conditions without compromising structural integrity, reducing maintenance frequency and replacement costs in demanding applications.

Specification Summary & Compliance

Manufactured to ASME B18.5 standards with Class 2A thread fit for proper clearance and assembly. Features 5/16"-18 UNC coarse threads with right-hand direction and full threading. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The square neck measures 0.19" length by 0.33" width, providing secure anti-rotation performance in standard applications.