AQUA Drills Hard

or hardened material
It is possible to drill hardened material(50 to 70HRC)

Long Life

By Aqua Coating (PAT.P), which is wealthy in the lubrication with the work material and excellent to heat-resistance.So suitable for drilling hardened steel.

High stiffness

High stiffness and reduce vibration because of adoption of thick web and low helix.

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