Carbide Drill Bits

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Features

Adopting high performance carbide substrate, sub-micron grain tungsten carbide grade, features of excellent wear resistance and toughness enable the drill bit suitable for general machining;
Cutting edge is passivated by using mature tool edge preparation process, providing optimum balance between strength and sharpness of the cutting edge;
Utilizing advanced Balzers coating machines coupled with TiAlCrSiN nano-coating process, ensuring extremely high resistance to abrasive wear; Along with newly developed post-treatment technique, the surface roughness of tool flute is efficiently lowered and chip discharge performance is greatly improved;
Unique design of flute geometry ensures very good chip breaking and reduced cutting force;
Primarily suitable for drilling applications on steel, cast iron and stainless steel;

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Explore Our Catalogue of Carbide Drill Bits

Item Code	Workpiece material	Description	Point Angle	Shank Type	Coating	Dimension
GTD-03NA		3D external cooling twist drills	140°		TiAlCrSiN	3～20
GTD-03CA		3D internal cooling twist drills	140°		TiAlCrSiN	3～20
GTD-05NA		5D external cooling twist drills	140°		TiAlCrSiN	3～20
GTD-05CA		5D internal cooling twist drills	140°		TiAlCrSiN	3～20
GTD-08CA		8D internal cooling twist drills	140°		TiAlCrSiN	3～16
GTD-12CA		12D internal cooling twist drills	140°		TiAlCrSiN	3～12

Stands for steel

Stands for cast iron

Stands for stainless steel