SKU: ALL 19154
UPC: 848238060478
MPN: ALL19154
The Allstar Performance Oval Allen HD Fasteners 5/16 .550in 10-pack features quick-turn hex-drive design engineered for rapid installation in high-vibration automotive and machinery applications. These steel fasteners with zinc oxide finish provide dependable corrosion resistance and secure holding power in demanding environments where traditional fasteners fail under repeated stress cycles.
Each fastener measures 5/16 diameter with a 0.550-inch body length, precision-engineered to meet OEM specifications for motorsports, engine rebuilds, and structural assembly work. The oval head design distributes clamping force across a wider surface area, reducing the risk of surface deformation on delicate components. Hex drive engagement provides superior torque transfer compared to slotted heads, minimizing cam-out and ensuring consistent fastening quality across repeated installations. The zinc oxide coating offers baseline corrosion protection suitable for indoor and low-moisture environments.
Professional mechanics, engine builders, and restoration specialists rely on Allstar fasteners for critical applications where fastener failure creates safety risk or costly downtime. The 10-pack quantity supports small-batch rebuilds, prototype assembly, or replacement sets for existing machinery. Steel construction delivers the tensile strength required for high-load fastening, making these fasteners suitable for suspension components, intake manifolds, carburetor mounting, and transmission work where vibration isolation is essential.
Allstar Performance has established market credibility in the racing and automotive aftermarket by focusing on precision hardware that meets or exceeds industry tolerances. These fasteners represent mid-range fastening solutions for applications requiring reliability without specialty coatings or exotic materials, making them a practical choice for rebuild kits, service replacements, and technical projects where standard fastening meets specification.
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