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HSS Step Drill

  • Made of HSS, HSS-E, and other materials, it is applicable to the drilling of various materials, such as steel stainless steel, and aluminum alloy.

  • The chip flute includes a straight flute and a spiral flute.

  • Grinding with CNC precision tool grinder, with excellent quality of cutting edge.

  • TiN, TiAlN, and other coatings are available and can improve performance.


Zhejiang Xinxing Tools Co., Ltd., established in 1994, is a professional designer & manufacture of high-quality cutting tools with advanced technique and equipment.
Official website:http://www.ch-tools.com/

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