S-95505A603 3/8"-16 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability from Grade 5 steel construction, ensuring reliable performance in demanding applications
• Precise 3/8"-16 UNC coarse threading provides quick assembly and reduced cross-threading risk in industrial settings
• Class 2B thread fit delivers optimal clearance for smooth installation while maintaining secure fastening integrity
• Standard external hex drive design offers superior torque transmission and compatibility with common wrenching tools
• Full compliance with ASME B18.2.2 specifications guarantees dimensional accuracy and interchangeability in mechanical systems
• RoHS 3 and REACH environmental compliance ensures safe usage in regulated industries and international markets
• Consistent 9/16" width and 21/64" height dimensions provide reliable seating and uniform clamping force distribution

Professional Applications & Engineering Value

This Grade 5 steel hex nut delivers critical engineering value through its robust material composition and precision UNC coarse threading. The 3/8"-16 thread size with Class 2B thread fit addresses common assembly challenges by providing sufficient clearance for rapid installation while maintaining vibration resistance in dynamic environments. Manufactured to ASME B18.2.2 specifications, this external hex drive fastener ensures consistent performance in heavy machinery, structural frameworks, and industrial equipment where reliable torque transmission is essential. The standard hex nut profile and right-hand thread direction make it ideal for maintenance operations and production lines requiring efficient, tool-compatible fastening solutions that withstand repetitive stress and environmental exposure.

Specification Summary & Compliance

This hex nut maintains precise Class 2B thread fit tolerances according to ASME B18.2.2 manufacturing standards. The UNC coarse thread pattern with 3/8"-16 sizing ensures mechanical compatibility across inch-system applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and material restrictions adherence. Dimensional accuracy is verified with 9/16" width and 21/64" height specifications, while the Grade 5 strength classification guarantees consistent performance in industrial fastening systems.