S-97135A401 1"-12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking mechanism that maintains secure fastening in high-stress environments
• Exceptional corrosion protection with zinc yellow-chromate plating that extends service life in harsh industrial conditions
• High-temperature performance with nylon insert rated for continuous operation up to 220°F without compromising locking capability
• Premium strength reliability with Grade 8 classification ensuring consistent performance in heavy-duty applications
• Precise thread engagement with Class 2B fine thread fit providing smooth installation and optimal clamping force distribution
• Standard external hex drive design compatible with common tools for efficient installation and maintenance operations
• Fine thread configuration (1"-12 UNF) offering enhanced adjustment precision and superior resistance to loosening under dynamic loads

Professional Applications & Engineering Value

This Grade 8 nylon insert locknut delivers critical engineering solutions for applications where vibration-induced loosening threatens operational safety and equipment integrity. The 1"-12 UNF fine thread configuration combined with the nylon insert locking mechanism creates a reliable vibration-resistant fastening system that maintains clamp load under extreme dynamic conditions. The zinc yellow-chromate plated steel construction provides essential corrosion resistance for industrial environments exposed to moisture, chemicals, and temperature fluctuations. Engineered for heavy-duty applications including machinery, automotive systems, and structural assemblies, this locknut prevents costly downtime and maintenance by ensuring permanent fastener security where standard nuts would fail. The external hex drive and standard profile enable straightforward installation while the temperature-resistant nylon insert maintains consistent performance across varying thermal conditions.

Specification Summary & Compliance

This locknut features Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and reliable thread engagement. Manufactured to Grade 8 strength specifications with standard hex profile and external drive style. The zinc yellow-chromate plating provides corrosion protection while the nylon insert locking mechanism meets industry standards for vibration resistance. Compliant with RoHS and REACH environmental regulations for industrial fastener applications.