S/S 6pt. Fine Nyloc Nuts - 7/16-20 (5)

ARP's Stainless Steel 6-Point Fine Nyloc Nuts in 7/16-20 thread size (pack of 5) deliver secure, vibration-resistant fastening for high-performance applications where bolt integrity matters. These locking nuts feature a nylon insert that prevents loosening from mechanical vibration and thermal cycling—a critical requirement in engine builds, suspension systems, and precision assembly work where a standard nut could back off under stress.

The 7/16-20 thread specification (7/16-inch diameter, 20 threads per inch) is a common fastener size in automotive and mechanical applications. The 6-point hex head geometry provides superior grip compared to 12-point heads, reducing the risk of rounding and increasing torque transfer. Manufactured from polished stainless steel, these nuts resist corrosion in wet environments and aggressive chemical exposure while maintaining a professional appearance. The nylon insert creates friction as the bolt threads through, effectively locking the fastener in place without requiring a secondary locking mechanism like thread-locking compound.

These are purpose-built for engine assembly, transmission work, fuel system components, and any critical fastening where vibration loosening poses a safety or performance risk. The stainless material makes them suitable for salt-air environments and applications exposed to moisture. Each pack contains five nuts, allowing for multiple fastening points or redundant inventory for rebuild projects and maintenance intervals.

ARP (Automotive Racing Products) is recognized for precision fastening solutions engineered to exacting tolerances. These 7/16-20 Nyloc nuts meet industry standards for locking fasteners and represent a cost-effective upgrade over standard hardware for any build prioritizing reliability.