Description
We can make various kinds of diamond drill bits from 4 inch to 17 1/2 inch, and can manufacture special structure bit according to customer's requirements. Steel body bits are manufactured by machining the steel bars per design.
Specifications
IADC Code: S122
Design Parameters | Operating Parameters | |||||||
Size (in) | Primary cutter size (mm) | Gage length (in) | Nozzle | Number of blades | API Shank (in) | WOB(kn) | RPM | Flow rate (l/s) |
3 7/8 | 13 | 1 1/2 | 4P | 4 | 2 3/8 REG | 5-25 | 90-350 | 8-20 |
4 5/8 | 13 | 1 1/2 | 4P | 4 | 2 7/8 REG | 5-30 | 90-360 | 8-20 |
4 1/2 | 13 | 1 1/2 | 4P | 4 | 2 7/8 REG | 5-30 | 90-360 | 8-20 |
IADC Code: S223
Design Parameters | Operating Parameters | |||||||
Size (in) | Primary cutter size (mm) | Gage length (in) | Nozzle | Number of blades | API Shank (in) | WOB(kn) | RPM | Flow rate (l/s) |
8 1/2 | 19 | 4 | 6NZ+1P | 5 | 4 1/2 REG | 25-100 | 60-260 | 22-35 |
12 1/4 | 19 | 3 | 6NZ+1P | 5 | 6 5/8 REG | 30-140 | 60-260 | 28-70 |
13 5/8 | 19 | 2 5/7 | 7NZ | 5 | 6 5/8 REG | 30-160 | 60-260 | 35-70 |
14 3/4 | 19 | 2 8/9 | 7NZ | 5 | 7 5/8 REG | 30-170 | 60-260 | 40-70 |
16 | 19 | 3 | 7NZ | 5 | 7 5/8 REG | 30-180 | 60-260 | 40-70 |
17 1/2 | 19 | 3 | 7NZ | 5 | 7 5/8 REG | 30-200 | 60-260 | 45-80 |
IADC Code: S324
Design Parameters | Operating Parameters | |||||||
Size (in) | Primary cutter size (mm) | Gage length (in) | Nozzle | Number of blades | API Shank (in) | WOB(kn) | RPM | Flow rate (l/s) |
8 1/2 | 16 | 3 1/9 | 6NZ | 6 | 4 1/2 REG | 25-100 | 60-260 | 22-35 |
8 3/4 | 16 | 3 1/9 | 6NZ | 6 | 4 1/2 REG | 25-100 | 60-260 | 22-35 |
9 1/2 | 16 | 2 1/5 | 8NZ | 4 | 6 5/8 REG | 25-130 | 60-260 | 22-35 |