S-97131A160 M12 DIN 982, ISO 7040 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through precision-engineered nylon insert that maintains locking force in high-stress environments
• Exceptional temperature performance with reliable locking capability up to 220°F (104°C) for demanding applications
• Heavy-duty Class 8 strength rating ensures maximum load-bearing capacity and structural integrity
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in harsh conditions
• Optimized installation efficiency with external hex drive design and high hex profile for superior tool engagement
• Precision thread compatibility with Class 6H thread fit and coarse pitch for secure mating with standard metric bolts
• International compliance assurance meeting DIN 982 and ISO 7040 standards for global project compatibility

Professional Applications & Engineering Value

This M12 nylon insert lock nut delivers critical vibration-resistant performance for industrial machinery, automotive assemblies, and heavy equipment where constant motion threatens fastener integrity. The zinc-plated steel construction provides essential corrosion resistance while maintaining Class 8 strength under extreme loads. The precision metric coarse thread (M12x1.75mm) with Class 6H tolerance ensures perfect compatibility with standard bolts, eliminating cross-threading risks. The nylon insert locking mechanism creates consistent friction that prevents loosening from vibration or thermal cycling, making it ideal for motors, pumps, and structural frameworks where maintenance access is limited. With external hex drive and high profile design, installation torque is efficiently transferred without tool slippage, reducing assembly time and improving workplace safety.

Specification Summary & Compliance

This lock nut features precise Class 6H thread fit according to ISO metric standards with M12x1.75mm coarse thread configuration. Manufacturing strictly adheres to DIN 982 and ISO 7040 specifications for dimensional accuracy and performance requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industries. With dimensions of 19mm width and 14mm height, it maintains consistent quality for reliable integration into professional fastener systems.