Tungsten Carbide Twist Drill for CNC Machine Tools drilling hole Micro Drill Bit For Steel ,Copper, Brass, fresa
Drill bits are mainly used for drilling, and different types of drill bits have different characteristics. For example, twist drill, it is the most widely used hole processing tool, the diameter range is generally 0.25 to 80 mm. It is mainly composed of the working part of the drill and the handle, the working part has two spiral grooves, shaped like a twist. The spiral Angle of the twist drill mainly affects the size of the front Angle of the cutting edge, the strength of the blade and the chip removal performance, usually 25° to 32°.
Efficient chip removal, suitable for drilling of metal, wood, plastic and other materials. Its versatility is very strong, can be adapted to CNC drilling machine tools, easy to operate. In addition, according to the nature of the material being processed, the cutting part of the twist drill can also be trimmed into various shapes.
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