S-90494A029 1/4"-20 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced durability with Grade 2 steel construction, resisting deformation under standard industrial loads
• Space-saving thin profile (5/32" height) ideal for applications with limited clearance without compromising strength
• Quick assembly efficiency through coarse UNC 1/4"-20 threading and Class 2B fit, reducing installation time
• Secure external hex drive ensures reliable torque transmission with common tools, minimizing slippage risks
• Regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in regulated industries
• Consistent performance with precise 7/16" width, providing uniform contact surface for even load distribution
• Corrosion resistance from quality steel material, extending service life in various environments

Professional Applications & Engineering Value

This Grade 2 steel thin hex nut delivers critical engineering value where standard nuts prove too bulky. Its reduced height profile solves space-constrained assembly challenges in machinery frames, electrical enclosures, and automotive subsystems while maintaining UNC coarse thread engagement for vibration resistance. The Class 2B thread fit ensures consistent clamping force across temperature variations, preventing loosening in dynamic load conditions. Manufactured with external hex drive compatibility, it enables high-torque installation using standard industrial wrenches, streamlining maintenance operations. Ideal for OEM equipment and MRO applications requiring RoHS 3 and REACH compliant components without sacrificing mechanical performance.

Specification Summary & Compliance

Precision-engineered to 1/4"-20 UNC coarse thread specifications with Class 2B thread fit tolerances per ASME B18.2.2. Dimensional accuracy confirmed at 7/16" width and 5/32" height. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting industrial safety standards for hazardous substance restrictions. Manufactured under quality controls ensuring consistent Grade 2 strength performance across production batches.