Black Washers - 1/2 ID x 7/8 OD (10)

Black Washers - 1/2 ID x 7/8 OD (10) are precision flat washers engineered for demanding mechanical and tactical applications where load distribution and fastener performance are non-negotiable. These washers distribute clamping force evenly across surfaces, preventing bolt head or nut pull-through on softer materials and reducing stress concentration. They're essential for assembling firearms, tactical equipment, industrial machinery, and any application requiring reliable fastener integrity.

Manufactured from chromoly steel and finished in black oxide, these washers deliver superior corrosion resistance and a professional dark appearance suitable for both combat and sporting platforms. The 1/2 inch inner diameter accommodates standard 1/2" fasteners, while the 7/8 inch outer diameter provides optimal bearing surface coverage. At 0.12 inches thick with chamfered edges, the design facilitates smooth assembly and reduces sharp edges that could bind or damage surrounding components. The black oxide coating resists rust and provides a durable finish that withstands field use, storage, and environmental exposure without degradation.

Armorers, gunsmiths, and equipment builders rely on these washers for upper and lower receiver assembly, furniture attachment, and rail system installation. The ten-piece set provides sufficient quantity for a complete build or maintenance project while maintaining cost efficiency. Compatible with any fastener system using 1/2" diameter bolts—including AR platforms, bolt-action rifles, and general mechanical applications—these washers ensure professional-grade results on every installation. Stock these in your workspace for immediate availability during assembly, repair, or maintenance cycles.