Super-Multi Drill Bit, Internal Lubrication Type, NHGS Series 3D Type

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SUMITOMO_ELEC_
[Features]
・ Cutting force is greatly reduced by using Aurora Coat (DLC coat) and low resistance WL (wide L) thinning.
・ High quality drilling is possible by devising the cutting edge and adopting WW (wide W) margin.
・ Stable and long lifespan is achieved by Aurora Coat and cutting edge shape.