API Roller Cone Bits for Small Diameter Piling Rock Drill Bucket
Product Description
For small diameter holes micro piling application, the rock drill bucket is always 400mm, 500mm, 600mm, 700mm, 800mm.
120mm is the cone diameter of 7 7/8" tri-cone bit.
Features of C120 series micro piling roller cone bits
| 1 | Journal sealed bearing with TCI protection on heel of cones. |
| 2 | Cone 1/2/3 speed up rock breaking rate. |
| 3 | Shirttail hard enhanced by Tungsten Carbide. |
| 4 | C120-637 adopts 12mm conical-ball TCI. |
| 5 | C120 series suits for smaller core barrel , penetration rate is much higher. |
