114mm MRING Overburden Symmetric Casing Drilling System Bit for Civil Engineering - 125mm External Diameter
Price:
999-99999USD/PC
MOQ:
1PC
Delivery Time:
3-5WEEKS
Brand:
MING
Product Description
MRING Overburden Symmetric Casing Drilling System Bit
Professional 114mm diameter casing drilling system designed for civil engineering applications requiring efficient overburden penetration and precise hole alignment.
Key Performance Advantages
- Straight hole drilling with fast penetration rates
- Reduced torque requirements across all ground conditions
- Easy ring locking and unlocking system operation
- Capable of drilling at any required angle
- Extended service life with lower investment costs
High-Speed Performance
Optimized fast driving speed delivers unprecedented efficiency in drilling operations, significantly reducing project completion times while maintaining precision and reliability.
Technical Specifications
| 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 |
Ordering Information
Required specifications for ordering:
- Casing Tube OD & ID dimensions
- Ring Bit Diameter
- Hammer Shank type
- Maximum Normal Bit Diameter
- Casing and Casing Shoes installation method (including thread standards if applicable)
Custom MRING system sizes available upon request to meet specific project requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Wuhan Kingdrilling Diamond Co.,Ltd
Location
1-2-905 California Sunshine, Optical Valley Street,Wuhan 430074, China
Contact Person
Wendy Chen