S-95505A617 5/8"-18 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load-bearing capacity with Grade 5 steel construction, providing reliable performance in high-stress industrial environments
• Superior vibration resistance thanks to 5/8"-18 UNF fine threading that maintains secure connections under dynamic loads
• Precise thread engagement with Class 2B thread fit ensuring smooth installation and consistent clamping force
• Standard external hex design for universal tool compatibility and straightforward installation across various applications
• Comprehensive regulatory compliance meeting both RoHS 3 and REACH environmental standards for safe usage
• Rigorous quality assurance through ASME B18.2.2 specification compliance, guaranteeing dimensional accuracy and performance reliability
• Optimized dimensional profile with 15/16" width and 35/64" height for balanced strength-to-size ratio in space-constrained assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Grade 5 steel hex nuts with 5/8"-18 UNF fine threading deliver exceptional performance in machinery, automotive, and heavy equipment assemblies. The fine thread configuration provides increased tensile strength and superior resistance to vibrational loosening compared to coarse thread alternatives. Manufactured from high-quality steel and featuring Class 2B thread fit, these external hex nuts ensure precise engagement with mating components while accommodating minor misalignments. The standard hex profile offers excellent torque transmission capabilities, making them ideal for high-torque applications where reliable fastening is critical. Their compliance with ASME B18.2.2 standards guarantees consistent quality and interchangeability across industrial maintenance and manufacturing operations.

Specification Summary & Compliance

This hex nut features precise 5/8"-18 UNF fine threading with Class 2B thread fit per unified thread standards, ensuring proper clearance and engagement with Class 2A external threads. Manufacturing conforms to ASME B18.2.2 specifications for dimensional accuracy and mechanical properties. The fastener meets Grade 5 strength classification requirements with dimensional specifications of 15/16" width and 35/64" height. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to current substance restriction guidelines for industrial applications.