high quality hss cobalt twist drill bit sets

   Our products are exported to countries and districts throughout the world,such as those in australia,europe,middle east,africa and countries brazil and argentina russia germany etc.
For the drill Hss we produce 4241 4341 6542 9341.
For wood is 45#steel . For masonry all teeth is carbid high quality .
For disc are professional produce way and make sure all have good service .Many size and specifications are avaiable up on request.
More information PLS add my wechat or skype also can be email. i will send you details.

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