Product name: 196mm Overburden Casing Drilling Bit System With 3 Wings For Hammer DHD360
Product category: Overburden casing drilling tools
Matched hammer: Hammer DHD360
Reaming Diameter(mm): 196mm
New design concentric 3 wings casing drilling bit advantages:
1. Enhance penetration and perpendicularity
2. Deal with straight, oblique hole and other angle holes
Material: TIMKIN Steel. Tungsten carbide: YK05, T6 from Element Six in Germany
4. Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.
5.Quality: More than 40 Years engineer to make sure the quality, 100% inspection
NMK5E Overburden Casing Drilling Bit System – the ultimate solution for all your drilling needs. Designed with utmost precision and efficiency, this exceptional tool guarantees high drilling quality, lightning-fast driving speed, unparalleled working efficiency, and an impressive long service life.
New design concentric 3 wings casing drilling bit technical parameters:
| Technical Parameters |
| Model | Reaming Diameter(mm) | Casing Diameter(mm) | Equipped Hammer |
| NMK5E108 | 115 | 93-99 | 90 |
| NMK5E127 | 130 | 115-117 | 110 |
| NMK5E146 | 155 | 130-134 | 110/340 |
| NMK5E168 | 185 | 148-156 | 110/340 |
| NMK5E178 | 195 | 158-166 | 150/340 |
| NMK5E183 | 196 | 168-176 | 350/360 |
| NMK5E193 | 206 | 176-182 | 360 |
| NMK5E219 | 236 | 199-207 | 360 |
How to order:
Order Guide: Casing Tube OD & ID + Reamer Bit Diameter + Minimal Casing Shoe ID + Hammer Shank Style
Other size of MRS system is available upon customer's request
New design concentric 3 wings casing drilling bit are designed for economic cost of drilling in simultaneous casing advancement.
The wings are retracted by reverse rotation.
FAQ:
1. What is casing drilling?
Casing is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole. Similar to the bones of a spine protecting the spinal cord, casing is set inside the drilled borehole to protect and support the wellstream.
2. Why is percussion drilling used?
Site examination using cable percussion drilling is a tried and true technique. The method of drilling makes it possible to insert casing inside the borehole to keep loose dirt from collapsing into it, enabling the borehole to be advanced to significant depths while still making good progress.
3. How much PSI do I need for air tools?
Between 70 and 90 PSI
The majority of air tools require 70–90 PSI. Ninety PSI can be easily reached by any light-to-medium duty air compressor, but you should always have the compressor producing more flow than is required. Expert Advice: Never disregard a PSI rating. Insufficient air volume will cause the tool to function improperly.
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