S-90498A033 1/2"-13 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution due to extra wide profile design, reducing surface pressure and preventing material damage
• Superior vibration resistance with coarse UNC threading that maintains secure connections in high-stress environments
• Precise thread engagement through Class 2B thread fit ensuring reliable performance in industrial assemblies
• Exceptional durability from high-grade steel construction that withstands heavy-duty applications
• Standardized compatibility with ASME B18.2.2 compliance guaranteeing interchangeability with existing systems
• Optimized torque transmission via external hex drive design for efficient installation with standard tools
• Environmental responsibility with RoHS 3 and REACH compliance meeting strict regulatory requirements

Professional Applications & Engineering Value

This heavy-duty hex nut addresses critical engineering challenges in industrial fastening systems. The extra wide profile provides substantial bearing surface area, effectively distributing clamping forces across wider surfaces to prevent joint loosening under vibration and dynamic loads. Manufactured from high-strength steel, this fastener maintains structural integrity in demanding applications including heavy machinery, construction equipment, and transportation systems. The 1/2"-13 UNC coarse thread configuration ensures rapid assembly while resisting cross-threading, significantly reducing installation time in production environments. With right-hand threading conforming to industry standards, this nut delivers reliable performance in maintenance operations and new installations alike, making it an essential component for engineers seeking durable, compliant fastening solutions.

Specification Summary & Compliance

This hex nut features precise Class 2B thread fit with 1/2"-13 UNC coarse thread specifications, ensuring proper engagement with mating components. The fastener meets ASME B18.2.2 dimensional standards with 7/8" width and 31/64" height tolerances. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances. The external hex drive design and right-hand thread direction provide industry-standard compatibility for seamless integration into existing inch-system assemblies.