The description of 12 Inches Rock Drill Bits Milled Tooth Tricone Bit.
12 Inches Rock Drill Bits Milled Tooth Tricone Bit is a widely used rotary tricone drilling bit for drilling a water well borehole. When the roller bit of the milled tooth tricone bit is working, the cutting teeth of the roller bit cuts the bottom of the water well borehole. It drills water well borehole in the rock formation. 12 Inches Rock Drill Bits Milled Tooth Tricone Bit is can drill 12 inches water well borehole with a piston mud pump.
The features of 12 Inches Rock Drill Bits Milled Tooth Tricone Bit
1. The drill bit size can be designed according to customers’ requirements.
3. It is easy to drill into the rock.
4. As the total length of the working edge is large, it is more durable.
5. The roller bit adapts to a variety of formations from soft to hard.
The specifications of 12 Inches Rock Drill Bits Milled Tooth Tricone Bit.
| Model | 12 Inches Rock Drill Bits Milled Tooth Tricone Bits |
| IADC CODE | 114 117 126 137 214 215 217 317 |
| Available sizes: | 3 1/2’’~ 26” larger sizes can be custom as your requirement |
| API regular pin(inch) | 2 3/8;2 7/8;3 1/2;4 1/2;6 5/8;7 5/8 |
| Recommended make up torque (KN.M) | 4.1-4.7/6.1-7.5/9.5-12.2/16.3-12.7/38-43.4/46.1-54.2 |
| Advantage | competitive price and best quality |
| Bearing type | sealed bearing and non-sealed bearing RM/RMT(metal sealed roller bearing) RR/RRT (rubber sealed roller bearing JR/JRT (rubber sealed journal bearing) FR(rubber sealed floating bearing) |
| Formation | soft, medium soft, hard, medium hard, very hard formation |