• Dezhou Guanlu Precision Machinery Manufacturing Co., Ltd.
  • Address: Shandong province Dezhou City Economic Development Zone Industrial Park East seven shop
  • Tel: 0534-7766069
  • Fax: 0534-7766069
  • Machine tool sales department: 15166987816
  • Email:dzysjx@yahoo.com


this tool is also called ring drilling, it is to carry out the drilling on the solid material, he is not all the workpiece materials, cutting down as cuttings, but leave a solid "nuclear" in Kong Zhongyang, so it can reduce the production costs in the product, can be on the workpiece processing needs of success set out a can of bar material reuse, so that the original drill when the iron filings into can now re-use of finished products. If the workpiece material cuttings expensive, can use this bit, if used to test and chemical analysis of core material, also can use this bit. If the power of the machine tool use is insufficient, and the need to drill holes with larger diameter, also can use this bit, the main specifications for the 50mm-600mm, each kind of specification need to be equipped with special tool bar, orders need to specifically.