13/16″ X 3/16″ Aircraft Counterbore HSS 1/4″ Round Shank 4 Flute DEWA/CCBR13/16 Limited Time

Industrial cutting tools for aerospace and heavy industrial manufacturing. Counterbore tooling provides precise, flush seating for fasteners with controlled depth and clean cavity walls.

Specs

Dimensions: Diameter 13/16 inch; Counterbore depth 3/16 inch; Shank diameter 1/4 inch

Drive type: Round shank

Material grade: HSS (High-Speed Steel)

Features

4‑flute geometry: Optimizes chip evacuation and yields clean, precise counterbore cavities for flush fastener seating.

Material: HSS (High-Speed Steel) core provides wear resistance and sustained performance at typical milling speeds.

Shank compatibility: 1/4 inch round shank fits standard tool holders and CNC collets.

Application: Suitable for drilling and counterboring aluminum and steel components in aircraft hardware assembly, automotive manufacturing, and general industrial fabrication where flush fastener siting is required.