Chollen International (Shijiazhuang) Co., Ltd.

Twist drills

Twist drills
Product Detailed

twist drills:designed for 4d- 5d drilling in stainless steels,mild steels,aluminium alloy,aluminium dircast,copper.

Taper shank twist drills:they are the standard cutting tools,strictly according to the national standards,the types of which include general,long,lengthened and extra long taper-shank twist drills which can meet the requirements of different types of machines processing.

Depending on the advanced processing technology,the strict quality control system and the reasonable inherent structure,the products quality and their long life-span have been keeping ahead in the tool-making industry,which make them the strongest products of the company.

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