S-90036A029 1/4"-20 x 3 ft. Threaded Rods

Key Features & Benefits at a Glance

• Left-hand threading enables secure fastening in applications requiring reverse rotation or preventing loosening from standard right-hand vibration
• Zinc-plated steel construction provides excellent corrosion resistance for extended service life in industrial environments
• 50,000 psi tensile strength ensures reliable performance under substantial mechanical loads and stress conditions
• Class 1A thread fit offers easier assembly and disassembly while maintaining functional thread engagement
• Full 3-foot length with complete threading allows for versatile positioning and cutting to exact project requirements
• Rockwell B61 hardness rating delivers optimal balance between durability and machinability
• UNC coarse thread pattern provides superior resistance to cross-threading and faster installation compared to fine threads

Professional Applications & Engineering Value

This left-hand threaded rod solves critical engineering challenges in applications where standard right-hand threads would loosen under rotational forces or vibration. The zinc-plated steel construction provides essential corrosion protection for industrial environments, while the UNC coarse threading ensures reliable engagement even in conditions where debris accumulation might compromise fine threads. With its 50,000 psi tensile strength and Rockwell B61 hardness, this fully threaded rod maintains structural integrity in demanding mechanical assemblies, conveyor systems, and machinery where reverse-thread applications prevent accidental disassembly. The combination of Class 1A thread fit and consistent coarse thread spacing enables rapid installation while accommodating minor misalignments in field applications.

Specification Summary & Compliance

This threaded rod meets UNC (Unified Coarse Thread) standards with Class 1A external thread fit for general purpose applications. The product maintains dimensional accuracy per inch system requirements with 1/4"-20 coarse thread spacing and left-hand thread direction. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict material restrictions.