S-90083A029 1/4"-20 Hex Nuts

Key Features & Benefits at a Glance

• Left-hand threading provides secure fastening in applications requiring reverse rotation resistance, preventing accidental loosening under counter-clockwise motion
• Thin profile design offers space-saving advantages in confined assembly areas while maintaining full functionality
• Grade 2 steel construction delivers reliable strength and durability for general industrial applications
• Class 2B thread fit ensures smooth assembly and consistent performance with standard mating components
• Coarse UNC threading enables quick installation and reduced cross-threading risk in demanding environments
• External hex drive allows for standard wrench access and straightforward installation/removal procedures
• Full regulatory compliance with RoHS 3 and REACH standards guarantees environmental safety and global market acceptance

Professional Applications & Engineering Value

This left-hand thin hex nut addresses critical engineering challenges in applications where reverse rotation is a concern. The Grade 2 steel construction provides optimal balance between strength and cost-effectiveness for general industrial use, while the thin profile enables installation in space-constrained assemblies without compromising performance. The UNC coarse thread design ensures reliable engagement even in high-vibration environments, and the Class 2B thread fit guarantees compatibility with standard 1/4"-20 fasteners. Particularly valuable in rotating machinery, conveyor systems, and maintenance applications where conventional right-hand threads might loosen, this specialized hex nut delivers engineered solutions for demanding industrial scenarios.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 7/16" width and 5/32" height, this fastener maintains Class 2B thread fit tolerances per UNC specifications. The left-hand thread direction and coarse thread spacing adhere to established industrial standards. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global markets. Manufactured from Grade 2 steel for consistent mechanical properties and reliable performance in industrial fastening applications.