S-91565A133 1/4"-20 x 5 1/2" Threaded Rods

Key Features & Benefits at a Glance

• High tensile strength of 50,000 psi ensures reliable performance in demanding applications and reduces risk of failure
• Class 1A thread fit provides easier assembly and faster installation while maintaining secure connections
• Rockwell B61 hardness rating offers excellent resistance to wear and deformation for extended service life
• Fully threaded design allows for adjustable positioning and maximum flexibility in assembly configurations
• Coarse UNC threading enables quick engagement and superior resistance to vibration loosening
• RoHS 3 and REACH compliance ensures environmental responsibility and meets international regulatory standards
• Right-hand threading provides standard, intuitive installation compatible with most industrial equipment

Professional Applications & Engineering Value

This 1/4"-20 UNC fully threaded steel rod delivers exceptional engineering value across multiple industrial sectors. The combination of 50,000 psi tensile strength and Rockwell B61 hardness makes it ideal for structural applications where vibration resistance and load-bearing capacity are critical. The coarse thread spacing provides superior performance in environments prone to vibration, while the Class 1A thread fit ensures smooth assembly without compromising connection integrity. These steel threaded rods are particularly valuable in machinery assembly, construction frameworks, and manufacturing equipment where adjustable fastening solutions and environmental compliance are mandatory requirements. The full threading allows for precise positioning adjustments, making installation more efficient and reducing labor costs.

Specification Summary & Compliance

This threaded rod features 1/4"-20 UNC coarse threading with Class 1A external thread fit tolerance, providing optimal clearance for easy assembly. The product maintains dimensional accuracy according to Unified National Coarse (UNC) standards and delivers consistent 50,000 psi tensile strength performance. Manufacturing compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications while meeting international substance restriction requirements.