1/4 ID x .550 OD Black Washers No-Chamfer 10pk

The 1/4 ID x .550 OD Black Washers No-Chamfer 10pk by ARP are precision-engineered washers designed for applications requiring reliable load distribution. These washers are suitable for various fastening tasks, including automotive and machinery assembly, where consistent performance is critical.

With an inner diameter of 1/4 inch and an outer diameter of .550 inch, these washers provide an optimal bearing surface for 1/4-inch fasteners. The no-chamfer design eliminates sharp edges that could damage threads or affect clamping force, making them a reliable choice for various fastening needs. The black finish enhances corrosion resistance, making them suitable for environments exposed to moisture and thermal cycling.

These washers are ideal for both professional and DIY builders, ensuring that assemblies maintain clamp load under various conditions. They are compatible with ARP studs and high-strength fasteners, making them a versatile addition to any toolkit for engine assembly or other demanding applications.