Allen Head Quick Turn Fastener .550 Steel Zinc

The Allen Head Quick Turn Fastener .550 Steel Zinc from Ti22 PERFORMANCE is a precision-engineered fastening solution designed for applications requiring reliable, quick-turning hex drive assembly. This set of 50 fasteners features an oval head design with a 7/16-inch shank and .550-inch body length, making it ideal for motorsports, performance upgrades, and mechanical assemblies where tool accessibility and torque efficiency matter. Whether you're building a custom engine, suspension system, or high-performance application, these fasteners deliver the speed and dependability that professional technicians and serious enthusiasts demand.

Constructed from hardened steel with zinc oxide coating, the Allen Head Quick Turn Fastener provides superior corrosion resistance and durability in demanding environments. The hex drive design ensures positive engagement and minimizes cam-out risk during installation, while the quick-turn oval head profile allows one-handed operation and faster assembly cycles. The zinc oxide finish protects against rust and oxidation, extending the lifespan of fasteners in both indoor shop environments and outdoor or engine bay applications. The .550-inch body dimension provides optimal engagement length for standard clearance holes and threaded inserts commonly found in performance and motorsports applications.

These fasteners are ideal for engine builders, transmission specialists, chassis fabricators, and performance mechanics who need reliable hardware for critical assemblies. The 50-piece set ensures adequate inventory for complete builds, repairs, or spares, eliminating downtime from hardware shortages. Installation requires standard hex wrenches or Allen keys, with no special tools needed beyond conventional shop equipment. Compatible with any application requiring a 7/16 x .550 fastener with hex drive, including valve covers, fuel systems, ignition components, and structural fastening in custom performance builds.