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  3. Solid drill bit
  4. Zhuzhou Jinggong Cemented Carbide Co., Ltd.

Solid drill bit J series
multi-purposecarbidedeep hole

solid drill bit
solid drill bit
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Drilled material
Drill bit material
Other characteristics
deep hole, gun, milling


Gun Drill Blanks Special for making gun drills, Suitable for deep hole machining Category Gun Drill Blanks Ultrafine grain size. with amazing wear résistance. High wear résistance endmill and engraving tools are recommended. Suitable for cutting PCB and composite material. Uttrafine grain size, higher Co content; with excellent hardness and toughness. Endmill and reamer are recommended. Excellent performance for finishing. Especially suitable for cutting steel { HRC: 45-55 ) , Al alloy and Ti alloy. Nano grain, with high hardness and toughness. is suitable for making milling cutter and engraving cutter with high wear résistance and Processing of high hardness materials


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