Coring bit
Application
Diamond coring bit is a tubular multi-tooth type drill bit, which can be used for coring rock. It is mainly used in geological exploration, coal mining, water conservancy and hydropower, highway, railway, bridge, building construction and other industries.
Features
1. Adopt the diamond composite cutting teeth, suitable for coring in soft to medium hard formations (f≤10), with high drilling speed and high service life.
2. Impact resistance type of PDC cutter is optional, which is special designed for cobblestone stratum.
3. We also design and manufacturer various non-standard drill tools.
TECHNICAL DATA
Specification(mm) |
||||
77/55 |
94/68 |
113/93 |
133/113 |
153/133 |
173/146 |
113/68 |
94/55 |
133/88 |