News-Zhenjiang Zhengda Tools Co., Ltd.

Optimum Scheme of Extended Bit, Deep Hole Twist Drill-Deep Hole Processing
deep hole drilling has become a serious bottleneck restriction in too many workshops, whether it is the cooling water channel of plastic mould, gun barrel, hydraulic cylinder or hollow shaft of jet e...
Data：2019-04-24
Model Specification of Straight Handle Twist Drill
straight handle twist drill, generally divided into national standard and American standard, national standard as long as the decimal point after the Arabic number does not exceed two digits, such as...
Data：2019-04-24
Application and Heat Treatment Parameters of Hot Rolled Twist Drill
Hot-rolled twist drill adopts advanced technology. The new IGBT hot-rolled twist drill heat treatment equipment G is mainly composed of IGBT. The power circuit is characterized by series oscillation....
Data：2019-04-24
The company focuses on: twist drill, straight twist drill production
Our company is a medium-sized enterprise exporting hardware cutting tools for foreign trade. It has advanced equipment, qualified product testing and high quality. It is manufactured according to the...
Data：2019-04-24

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