Product name: 114mm MRING Overburden Casing Drilling System Hole Opener Drill Bits For Tunneling
Product category: MRING Concentric casing drilling bit
Kingdrilling Concentric Casing System Ring Bit is the latest new and simple product line designed and manufactured by Kingdrilling for drilling through overburden with casing.
Invest in a tool that offers superior performance, durability, and ease of operation. The MRING Bit is your go-to solution for all your drilling needs. Experience the difference today!
The key feature of this MRING Bit lies in its innovative structural optimization, resulting in enhanced structural strength and improved ease of operation. The thoughtful design ensures that each drilling task is executed with precision and efficiency, making it a favorite amongst professionals.
Delivering exceptional performance is at the core of this drill bit. Thanks to its high drilling speed, it significantly reduces drilling time without compromising the quality of the results. This unparalleled drilling speed not only saves valuable time on any project but also enhances productivity and overall efficiency.
Reliability is a top priority with the MRING Bit. Engineered with the highest quality materials and precision craftsmanship, it guarantees long-lasting durability even in the most demanding drilling applications. Count on this drill bit to withstand heavy use and deliver consistent performance time after time.
MRING Concentric casing drilling bit components:
Pilot bit + ring bit + casing shoe
MRING Concentric casing drilling bit details:
| 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)
Other size of MRING system is available upon customer's request
MRING Concentric casing drilling bit Advantage:
1. Enhance penetration and perpendicularity
2. Deal with straight, oblique hole and other angle holes
3. 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
Products Manufacturing:
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114mm MRING Overburden Casing Drilling System Hole Opener Drill Bits For Tunneling Images
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