High Precision PCD Step Drills, Diamond Head Drill Bit For Processing Hole

• PCD Step Drills Multi-diameter tool allowing for excellent hole size and concentricity between diameters.

• PCD Step Drills can be used for cutting plastics, aluminum alloy, Composites, Graphites, and other non-ferrous metal materials.

• Our PCD Step Drill Bits are made with high quality PCD Blade and Tungsten Carbide Body.

• 3. Halnn PCD Step Drill Bits also accept Customized Drawings, diameter can be 6mm,8mm,10mm,ect.

Zhengzhou Halnn Superhard Materials Co., Ltd is a high-tech enterprise specializing in the production of ultra-hardened tools, and the leader of professional hard material processing tools in China and the first to research new cutting tools specific for gray cast iron, kinds of wear-resistant steel/cast steel, hardened steel materials.

The predecessor of Halnn Superhard Material Co.,Ltd is Henan Superhard Material Institute which is the earliest to make research on processing the brittle and hard materials with cubic boron nitride tools and High-Grade Diamond Tools. As the pioneer of Industry tools in China, Halnn adhere to the initial business philosophy of "Not seeking large and complete, only insist high-precision and professional". With more than 10 years experience, Halnn has researched one by one new materials grade, new technology and become the most famous cutting tools brand in superhard cutting tools industry.