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[China]
Trade Verify
Address: 1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Contact name:Wendy Chen
Wuhan Kingdrilling Diamond Co.,Ltd |
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Verified Suppliers
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Product name: 194mm permanent ring bit casing drilling bits for water well drilling
Product category: Overburden casing drilling tools
Matched hammer: Hammer DHD360
Matched casing pipe OD: 194mm
Kingdrilling diamond CO., LTD is one of the most professional private enterprise specialized in researching and producing casing drilling system, down the hole(DTH) hammer, down the hole bit, thread drill bits, taper drill bits, Anchor, coal mining tools and so on.
permanent ring bit casing drilling bits feature:
Permanent ring bit system is a concentric drilling system with retrievable pilot bits.
This system drills in any direction and in any type of ground condition.
The Symmetric components are made up of:
--- A pilot bits with large internal flushing holes and external flushing grooves
--- Symmetrical ring bit (reamer) with internal bayonet coupling
--- Casing shoe for driving of casing.
The Pilot bits is attached to any common DTH hammer shank.
| Model | External Dia.(mm) | Casing Dia.(OD*ID) | Spline |
| MK-MRING90 | 125 | 114*102 | MACH33, DHD3.5 |
| MK-MRING115 | 155 | 139*127 | DHD340, SD4, QL4 |
| MK-MRING140 | 188 | 168*153 | DHD350, SD5, QL5 |
| MK-MRING165 | 215 | 194*181 | DHD360, SD6, QL6 |
| MK-MRING190 | 238 | 219*206 | DHD360, SD6, QL6 |
| MK-MRING215 | 276 | 254*240 | DHD380, SD8, QL8 |
| MK-MRING235 | 293 | 273*254 | DHD380, SD8, QL8 |
| MK-MRING240 | 293 | 273*260 | DHD380, SD8, QL8 |
| MK-MRING280 | 345 | 323*303 | SD10 |
| MK-MRING315 | 375 | 355*335 | SD10 |
| MK-MRING365 | 432 | 406*387 | N120, N125, SD12 |
| MK-MRING460 | 530 | 508*483 | N125, N180 |
| MK-MRING510 | 580 | 559*533 | N180 |
| MK-MRING560 | 635 | 610*584 | N180 |
| MK-MRING610 | 695 | 660*632 | N240 |
| MK-MRING660 | 735 | 711*685 | N240 |
| MK-MRING710 | 785 | 762*736 | N240 |
| MK-MRING745 | 838 | 813*780 | N240 |
| MK-MRING810 | 886 | 864*838 | N240, N240S |
| MK-MRING860 | 935 | 914*884 | N240S |
| MK-MRING910 | 980 | 965*935 | N240S |
| MK-MRING960 | 1038 | 1016*986 | N240S, M330 |
| MK-MRING1010 | 1090 | 1067*1041 | M330 |
How to order:
Casing Tube OD & ID + Ring Bit Diameter + Hammer Shank + Maximal Normal Bit Diameter +
Casings and Casing Shoes Installation Method (if by threads, threads standard must be offered)
Permanent ring bit casing drilling bits advantages:
1. Enhance penetration and perpendicularity
2. Reduce torque requirements
3. Deal with straight, oblique hole and other angle holes
4. Lowest effect with environment
5.Material: TIMKIN Steel. Tungsten carbide: YK05, T6 from Element Six in Germany
6. Kingdrilling DTH tools are forged by advanced electron-hydraulic forging hammer, and harness process is managed by multipurpose furnace heat treatment.
7.Quality: More than 40 Years engineer to make sure the quality, 100% inspection
More information:
