Overburden MNX slide block casing drilling bit for DTH Hammer
Kingdrilling Casing drilling system is designed for unstable ground conditions. In the process of drilling, it could carry the casing tube down to the hole and protect wall to achieve drilling work.
MNX system is consists of pilot bits and slider bits. The principle as below: pilot bits press down, at the same time, wings opened to carry casing tube into a hole. After finished, life up the pilot bit then the wings will be closed. It is suitable for 406-813mm tube in diameter.
Total length (mm)
Casing Tube OD + Casing Tube ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style
1. How to order the products?
A: Please send the inquiry with detail item description or with Model number.
2. How about the common packing?
A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.
3. How to control quality?
A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.
4. What is the general delivery time?
15 working days for DTH bits.
20-25 working days for DTH hammer
3-5 working days for ex stock items.
5. What is the materials?
Steel is TIMKEN, Alloy is from T6 from Element Six.
6. Product feature
Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.