We also make bits according to your drawing and samples. And make them with shortest time. As a leading manufacturer of foundation drilling tools in China, We offer you products which have been adapted to the Rotary Drilling Rigs piling machines  with high speed, a long service life and short tool Changing times for high volume daily production.

You will receive te complete product line :Casing tools and holders, round shank bits, Welding bars, quick change bars and holders ,weld on casing bar, stop wedge and screw connections etc.