steel tooth bit
| Size | 12 1/4" (311.2mm) |
| IADC | 235 |
| Bearing Type | Elastomersealed journal bearing |
| Thread Connection | 6 5/8 reg pin |
| WOB(KN/mm) | 0.3~0.75 |
| RPM(r/min) | 180~60 |
| Applicable Formations | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
| Circulation system | Mud pump |
1.For medium formation drilling
2.reliable bearing system
3.Meet with API Spec7-1 Standard
tricone bit , steel tooth bit , rock bit , drill cone bit,milled tooth tricone bit
1.Sizes range from 3 7/8" to 26" , normal sizes consist of 5 7/8", 6", 6 1/2", 7 1/2", 8 1/2", 9 1/2", 9 5/8", 9 7/8", 12 1/4",13 5/8", 14 3/4", 15 1/2", 16", 17 1/2",22", 26", etc. .
2.Covers almost all IADC codes .
3. Steel tooth bits is always rubber O-ring sealed bearing or roller non-sealed bearing.
4.Used for mining, hydrology, subterranean heat,piling, water well drilling and oil well drilling, construction foundation etc. .
We are experienced on manufacturing rock drilling tools, various of tools for your different requirement, we can provide professinal solution of well driling for the most suitable tools which will decrease the cost of project.
Please specify the following on enquiry,
Diameter
IADC code
Thread Connection
Bearing structure
Drilling formation
Diameter
IADC code
Thread Connection
Bearing structure
Drilling formation
