Junk mill bit (JMB)
The junk mill bit is designed for milling cement and sand plugs, casing components, packer plugs, and other downhole metal debris. Use of hybrid cutting structure significantly enhances operational performance and broadens the tool’s range of applications.
Characteristics:
|
Designation |
OD, mm |
Length, mm |
Number of ports |
Thickness of working surface, mm |
Rotary speed, rpm, max |
Axial load, kN |
Thread* |
Weight, kg |
|
JMB-83 |
83 |
223 |
3 |
20 |
200 |
5…20 |
Z-65 (NC-23) |
6.1 |
|
JMB-85 |
85 |
223 |
3 |
20 |
200 |
5…20 |
Z-65 (NC-23) |
6.2 |
|
JMB-95 |
95 |
223 |
3 |
20 |
200 |
5…20 |
Z-65 (NC-23) |
7.0 |
