Step drill

  • At 135°, drilling can be done faster, for hard materials such as steel and stainless steel.
  • Difference color surface finish you can choose: Tin-coated / Cobalt coated / Black&Gold
  • Shank: Three Flats Shank, Quick Change Hex Shank, Double R Shank

Details about Step drill

Step drill is mainly used in the processing of the hole-drilling in thin steel plate within 3mm, one drill bit may process the aperture at each kind of size, and may realize the completion of processing different size of hole one-off. According to the different condition of processing, it may also carry on the coating process on the product surface of Ti plate, TiN plate and TiAIN, so as to enhancing the service life of cutting tool.

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