Product Feature: 1. With the hydraulic feeding mechanism, improve the drilling efficiency, reducing the labor intensity of workers. 2. The rig is equipped with a ball on a cassette holding mechanism and a six side rod, the rod can be replaced without shutdown, high work efficiency convenient operation, safe and reliable. 3. Furnished with hole bottom pressure gauge pressure indicator, and easy to master the status inside the hole. 4. The handle centered, convenient operation. 5. The drilling machine has the advantages of compact structure, small volume, light weight, convenient move.