5 Inches MISSION50 179~190mm 5inches mission dth 60 soil spiral bit button bits m60 hammer bit

MISSION50 179~190mm 5inches mission dth 350 soil spiral bit button bits QL50 hammer bit

Product overview

1. 20+ years manufacturing experience;

2. Certificate:ISO9001:2008

3. Material: Carbide

Main button bits diameters:

We need to confirm the following Product Specification before placing an order:

1.  The type of drill bit;
2.  The head diameter of drill bit;
3.  Bit face shape Choice: (Main shapes are:Drop Center, Concave Face, Convex Face, Double Gauge Face, Flat Face)

4.  Shape of alloy teeth. (Main tooth shape:  Domed/Round Button, Parabolic/Semi-Ballistic Buttons, Ballistic button,

     Sharp button, Flat button)

Production flow chart

About Us

Changsha DTH Drill Construction Machinery Co., Ltd has more than 20 years of drilling tools industry since 1996.

Its predecessor was the designated processing workplace of down-the-hole drilling tools of Changsha Institute of Mining Research. It is the Institute of Metal Research of the Chinese Academy of Sciences, the National Institute of Materials Research (NIMS) of Japan, and the partner of University of Queensland, Australia, the Swiss Federal Institute of Technology (EMPA).     The company officially changed its name to Changsha DTH Drill Construction Machinery CO., Ltd. in June 2021. It is a well-known private high-tech enterprise in China specializing in the research and manufacture of rock drilling machinery and pneumatic tools. The company has abundant experience in scientific research and production, using high-quality raw materials, advanced production technology and strict testing methods to produce products with superior performance and quality. The drilling tools of "CS DRILL" brand are sold nationwide due to their stable quality and superior performance, and are exported in batches to more than 50 countries and regions including Australia, South Korea, Brazil, South Africa, France, Canada, Ethiopia, Malaysia, Taiwan, and Hong Kong, received a high praise and a good reputation by users.