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| Categories | Well Borehole Drilling Bit |
|---|---|
| Brand Name: | ST |
| Model Number: | 75 |
| Certification: | ISO9001 |
| Place of Origin: | Hebei,China |
| MOQ: | 1 set |
| Payment Terms: | L/C, T/T, Western Union, MoneyGram |
| Delivery Time: | 7-12 working days |
| Packaging Details: | Standard export package |
| Material: | PDC |
| Application: | Well drilling |
| Core: | Coreless or core |
| Color: | Customized |
| Classification: | Drilling tool |
PDC core-less drilling bits use high-quality diamond composite discs and high-density cloth teeth. They have the characteristics of grinding and high drilling efficiency, and are suitable for drilling in soft to medium hard formations (f≤10). Water design directly flushes the cutting edge.
With high drilling speed and high service life. Mainly used for drilling of gas drainage holes, drainage holes, grouting holes, geological drilling, hydro-logical exploration, etc.
a. Used for core drilling in geology, coal fields, metallurgy, building materials, and mines;
b. Used for core engineering survey and drilling of highways, railways, bridges, buildings, hydro-power, etc.
c. It is used for grouting and drilling for weak and dangerous rocks, foundation treatment, and broken strata;
d. It is used for large-diameter engineering drilling, hydro-logical well drilling, construction pile foundation and down-hole construction drilling;
e. It is used for tunnel ventilation, exhaust, monitoring drilling of rock buildings and concrete sampling drilling.
| Types | Diameter | Standard |
| Coring PDC drill bit | 75 mm, 91 mm, 113 mm, 133 mm, 153 mm, 171 mm, 219 mm, 245 mm, 273 mm | The diameters of the above drill bits are all national standard interfaces. |
| No coring PDC drill bit (three wings) | 75 mm, 94 mm, 113 mm, 133 mm, 153 mm, 171 mm, can use 50 pipe 42 is also used for drill pipe, also can use 60 drill pipe | If special interfaces or diameters are required, it can be customized. |
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