S-94846A690 3"-12 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• High-strength performance from Grade 5 steel, providing reliable clamping force for demanding applications
• Space-saving thin profile design ideal for applications with limited clearance while maintaining full functionality
• Precise fine thread engagement with 3"-12 UNF threads and Class 2B fit ensuring vibration resistance and secure fastening
• Standard compliance assurance with ASME B18.2.2 specifications guaranteeing dimensional accuracy and interchangeability
• Environmental regulation compliance with RoHS 3 and REACH standards for safe use across global markets
• Easy installation and removal with external hex drive design compatible with standard wrenching tools

Professional Applications & Engineering Value

This 3"-12 UNF thin hex nut delivers exceptional engineering value through its optimized material selection and precision manufacturing. The Grade 5 zinc-plated steel construction provides excellent tensile strength while the protective zinc coating offers reliable corrosion resistance in demanding environments such as industrial machinery, automotive assemblies, and structural applications. The fine thread spacing and Class 2B thread fit ensure superior vibration resistance and secure fastening in high-stress applications where loosening could compromise safety. The thin profile design addresses space constraints without sacrificing performance, making it ideal for compact assemblies requiring heavy-duty fastening solutions. Engineered to ASME B18.2.2 standards, this nut guarantees dimensional consistency and reliable performance across industrial applications.

Specification Summary & Compliance

This precision fastener features 3"-12 UNF right-hand threads with fine thread spacing and Class 2B thread fit for optimal engagement. Manufactured to ASME B18.2.2 specifications with dimensions of 4½" width and 1²¹⁄₃₂" height. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting the latest environmental regulations for industrial fasteners. The Grade 5 strength classification ensures consistent mechanical performance across all production batches.