S-4991T961 M12 Lug Nuts

Key Features & Benefits at a Glance

• Enhanced Corrosion Resistance: Zinc-plated steel construction provides reliable protection against rust and environmental degradation, extending service life in harsh conditions.
• Superior Clamping Force: Hex design with 13/16" width ensures optimal torque application and secure fastening for high-stress automotive and industrial assemblies.
• Precision Thread Engagement: M12 x 1.25 mm thread pitch offers accurate mating with compatible bolts, reducing the risk of cross-threading and ensuring consistent performance.
• Heavy-Duty Durability: Made from robust steel material, this lug nut withstands heavy loads and vibrations, ideal for demanding wheel and machinery applications.
• Regulatory Compliance: REACH compliant (EC 1907/2006) ensures safe use by restricting hazardous substances, meeting industry standards for environmental and health safety.
• Easy Installation and Removal: Standard hex shape allows for straightforward tool engagement, speeding up maintenance and reducing labor time in professional settings.

Professional Applications & Engineering Value

This M12 hex lug nut is engineered to address common challenges in automotive and industrial fastening, such as loosening under vibration and corrosion-induced failure. The zinc-plated steel material combats moisture and chemical exposure, while the precise 1.25 mm thread pitch ensures tight, reliable connections that maintain integrity in high-torque environments. Ideal for wheel assemblies, machinery frames, and heavy equipment, it delivers consistent clamping force to prevent component slippage, enhancing safety and reducing maintenance downtime. By integrating corrosion-resistant properties with a standardized hex design, it streamlines installation in fleet management and manufacturing workflows, offering long-term reliability for B2B procurement needs.

Specification Summary & Compliance

This lug nut features an M12 x 1.25 mm thread size with standard ISO-compliant tolerances for precise fit, and a 13/16" hex width for uniform torque distribution. Manufactured from zinc-plated steel, it adheres to REACH (EC 1907/2006) compliance, ensuring no use of restricted substances as of January 17, 2023, and aligns with common industry specifications for automotive and industrial fasteners.