| Type | Core Barrel With Roller Bits |
|---|---|
| Application | Gravel Foundation |
| Material | Q355d |
| Usage | Rotary Drill Rig |
| Feature | Suitable For Hard Ground |
| Good Name | Bullet Teeth |
|---|---|
| Machinery Test Report | Alloy Drill Bean |
| Material | 40Cr |
| Application | Rock Auger / Rock Bucket |
| Type | Flat Teeth And Bullet Teeth,roller Bit |
