Nachi 31353980 6mm Aqua Drill 140° Carbide Drill Bit

This is a new Nachi Aqua Drill solid carbide drill, part number 31353980, in 6.0mm cutting diameter with a 6mm shank diameter, 28mm flute length, and 72mm overall length. The Aqua Drill series features Nachi's proprietary Aqua EX (nano-composite TiAlN-based) coating, recognizable by its distinctive blue color, engineered for high-speed dry or minimal-quantity lubrication (MQL) drilling in steels, cast irons, stainless steels, and hardened materials. The 140° point angle is optimized for self-centering entry and reduced thrust force in CNC machining center applications using ER collet chucks or hydraulic toolholders accepting 6mm shanks. The drill is dimensioned 6x6x28x72mm as confirmed on the label, with a stub/jobber-short geometry that maximizes rigidity for precision hole-making in production environments.

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