S-97135A441 1 1/2"-6 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking mechanism that maintains secure fastening under dynamic loads
• Exceptional strength and durability with Grade 8 steel construction for heavy-duty industrial applications
• Reliable high-temperature performance with nylon insert rated for continuous use up to 220°F
• Precise thread engagement with Class 2B thread fit ensuring consistent installation and removal
• Enhanced corrosion protection from black-oxide coating that extends service life in demanding environments
• Industry-standard compatibility with 1 1/2"-6 UNC coarse threads for broad application across equipment and machinery
• Environmental compliance assurance meeting both REACH and RoHS 3 standards for regulated industries

Professional Applications & Engineering Value

This Grade 8 black-oxide steel locknut with nylon insert delivers critical engineering solutions for industrial applications where vibration-induced loosening poses significant safety and maintenance challenges. The UNC coarse thread design provides rapid installation while maintaining Class 2B thread fit precision, ensuring reliable performance in heavy machinery, construction equipment, and transportation systems. The external hex drive style facilitates easy installation with standard tools, while the 220°F maximum temperature rating makes it suitable for engine compartments, industrial ovens, and other high-temperature environments. The combination of vibration-resistant locking and corrosion-protected steel construction significantly reduces maintenance frequency and prevents costly downtime in demanding operational conditions.

Specification Summary & Compliance

This heavy-duty locknut features precise Class 2B thread fit with 1 1/2"-6 UNC coarse threads and right-hand thread direction. Manufactured from high-strength Grade 8 steel with black-oxide surface treatment, the nut maintains dimensional accuracy per industry standards. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring safe use across various industrial sectors while meeting international quality and safety requirements.