S-99149A112 8-32 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black protective coating for extended service life in harsh environments
• Lightweight yet durable construction using 6061 aluminum alloy for optimal strength-to-weight ratio
• Precise Class 2B thread fit ensures smooth installation and reliable engagement with mating components
• Standard UNC coarse threading provides excellent assembly efficiency and vibration resistance
• ASME B18.2.2 compliance guarantees dimensional accuracy and interchangeability with standard components
• External hex drive design enables easy installation with common wrench tools
• Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These 8-32 UNC hex nuts deliver exceptional performance in demanding industrial settings where corrosion resistance and lightweight strength are critical. The black corrosion-resistant coating on 6061 aluminum provides superior protection against environmental degradation, making them ideal for outdoor equipment, marine applications, and electronic enclosures. The coarse UNC thread profile ensures quick assembly and maintains secure fastening even under vibration, while the standard hex profile allows for straightforward installation using common tools. Engineered to meet ASME B18.2.2 specifications, these nuts offer reliable performance in machinery, automotive, and aerospace applications where precision and durability are paramount.

Specification Summary & Compliance

This 8-32 UNC hex nut features Class 2B thread fit tolerance for precise mating with corresponding fasteners. Manufactured to ASME B18.2.2 standards with dimensions of 11/32" width and 1/8" height. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory compliance for industrial applications worldwide.