Product name: 155mm NMK5E Overburden Symmetric Casing Drilling System For Water Well Drilling
Product category: Overburden symmetric drilling tools
Matched hammer: Hammer DHD340
Reaming Diameter(mm): 155mm
Our engineers have also optimized the structure of the NMK5E Overburden Drilling System Bit, improving its structural strength and ease of operation. This means that you can expect a tool that is not only strong and sturdy, but also user-friendly. Its ergonomic design allows for effortless handling, reducing operator fatigue and enhancing overall efficiency.
But what truly sets the NMK5E Bit apart is its superior performance. With its high drilling speed, you can complete your drilling tasks in record time. The stability and reliability of this drill bit ensure consistent and precise drilling, allowing for accurate and clean results, no matter the surface or material you are working with.
Advantages:
1. Straight Holes and Fast Penetration Rate
2. Less Torque in all ground conditions
3. Easy System to lock and Unlock Ring
4. Drilling at any angle required
5. More Holes and Low investment
Water well drilling new design 3 middle wings symmetric 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 NMK system is available upon customer's request
FAQ:
1. What is odex drilling?
The air-operated down-the-hole hammer is adapted as ODEX. It reams the bottom of the casing with a swing-out eccentric bit. Cuttings emerge via the casing annulus and drive sub, passing through a swivel and onto the ground or a sample collector. Quick removal of the cuttings.
2. What is Symmetrix drilling?
Previously known in our industry as Concentrix, the updated Symmetrix system allows for the simultaneous casing and drilling of a hole. The system consists of three main components: pilot bit, ring bit (reamer) and casing shoe
3. How does a casing advancer Work?
The Casing Advancer has been designed to allow drilling and casing to be carried out at the same time as one integral operation. This feature eliminates the need to drill the large diameter hole with a Rock Bit, pull the drill rod string and Rock Bit from the hole and then ream the casing back into the hole.
4. Where does overburden go during a mining operation?
Overburden is employed as a building and road construction material, for reprocessing, and for contouring land. Reclaimed mine tailings are used to make concrete, glass, tiles, and clay. After being cleaned, mine water is used as a coolant, in industry and agriculture, and to control dust and particulates.
5. How deep can a water well be drilled?
Drilling a Water Well for household use will usually range from about 100 feet to 500 feet deep, but... When drilling a new well for your home or business, the depth of the well depends on the geology and underground water levels of the area.
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