S-90670A175 7/16"-20 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from 6061 aluminum construction, ideal for harsh industrial environments
• Precise thread engagement with Class 2B fit ensuring reliable, vibration-resistant connections
• Fine thread design (20 TPI) providing enhanced adjustment control and load distribution
• Standard external hex drive for universal tool compatibility and straightforward installation
• Full compliance with ASME B18.2.2 standards guaranteeing dimensional accuracy and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance
• Lightweight aluminum construction reducing overall assembly weight without sacrificing strength

Professional Applications & Engineering Value

Engineered for precision assemblies requiring fine thread UNF specifications, these 6061 aluminum hex nuts deliver exceptional performance in machinery, aerospace, and automotive applications where weight reduction and corrosion resistance are critical. The Class 2B thread fit ensures consistent engagement with mating components, preventing loosening under vibration while maintaining ASME B18.2.2 dimensional compliance. The right-hand thread direction with fine pitch provides superior clamping force distribution, making these nuts ideal for precision equipment requiring frequent adjustments or disassembly. The external hex drive design accommodates standard wrenching tools, streamlining maintenance procedures in industrial settings.

Specification Summary & Compliance

Manufactured to ASME B18.2.2 specifications with Class 2B thread fit tolerance for consistent performance. Features 7/16"-20 UNF fine threads in right-hand direction with standard hex profile (11/16" width × 3/8" height). Compliant with RoHS 3 (2015/863/EU) including exemption 6(b)-II for lead as aluminum alloying element and REACH (EC 1907/2006) regulations regarding SVHC substances.