S-97135A114 1 1/2"-12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through the nylon insert locking mechanism that maintains secure fastening under dynamic loads
• Heavy-duty performance with Grade 8 strength classification, ensuring reliable operation in demanding industrial environments
• Enhanced corrosion protection from zinc yellow-chromate plating that extends service life in harsh conditions
• High-temperature capability with nylon insert rated to 220°F, maintaining locking function in elevated temperature applications
• Precision thread engagement with UNF fine threads and Class 2B fit for smooth installation and consistent clamping force
• Easy installation and removal using standard external hex drive compatible with common wrenching tools
• Right-hand threading compatibility with standard rotation direction for straightforward assembly procedures

Professional Applications & Engineering Value

This Grade 8 heavy-duty locknut delivers exceptional engineering value through its robust zinc yellow-chromate plated steel construction and nylon insert locking technology. The UNF fine thread configuration provides superior resistance to loosening under vibration, making it ideal for heavy machinery, automotive assemblies, and industrial equipment where vibration resistance is critical. The Class 2B thread fit ensures precise engagement with mating components while the external hex design allows for high torque application. With a temperature rating of 220°F, this locknut maintains its locking integrity in environments where thermal cycling would compromise conventional fasteners, solving common industrial challenges of joint failure and maintenance downtime.

Specification Summary & Compliance

This locknut features 1 1/2"-12 UNF fine threads with Class 2B thread fit per unified thread standards. Manufactured from high-strength steel with Grade 8 classification and finished with zinc yellow-chromate plating for corrosion protection. The nylon insert locking mechanism complies with industrial vibration resistance requirements. Dimensions include 2 13/64" width across flats and 1 39/64" height. Complies with relevant industrial standards for heavy-duty applications and meets material safety requirements for industrial use.