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Single Use Ring Bit Casing,Symmetric Casing Drilling
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Single use ring bit casing drilling bitsKINGDRILLING Diamond CO., LTD is specialized in researching and producing Concentric Casing drilling system,Website:http://www.mingdthbit.com, Eccentric drilling system, DTH hammer, down the hole bit, thread drill bits, taper drill bits, Anchor, coal mining tools and so on.Product details:KINGDRILLING Single use ring bit casing by down the hole (DTH) hammer is used in drilling and casing a hole simultaneously through unstable ground conditions.Advantage:1. Enhance penetration and perpendicularity2. Deal with straight, oblique hole and other angle holes3. Material: TIMKIN Steel. Tungsten carbide: YK05, T6 from Element Six in Germany4. 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% inspectionModelExternal Dia.(mm)Casing Dia.(OD*ID)SplineMK-MRING90125114*102MACH33, DHD3.5MK-MRING115155139*127DHD340, SD4, QL4MK-MRING140188168*153DHD350, SD5, QL5MK-MRING165215194*181DHD360, SD6, QL6MK-MRING190238219*206DHD360, SD6, QL6MK-MRING215276254*240DHD380, SD8, QL8MK-MRING235293273*254DHD380, SD8, QL8MK-MRING240293273*260DHD380, SD8, QL8MK-MRING280345323*303SD10MK-MRING315375355*335SD10MK-MRING365432406*387N120, N125, SD12MK-MRING460530508*483N125, N180MK-MRING510580559*533N180MK-MRING560635610*584N180MK-MRING610695660*632N240MK-MRING660735711*685N240MK-MRING710785762*736N240MK-MRING745838813*780N240MK-MRING810886864*838N240, N240SMK-MRING860935914*884N240SMK-MRING910980965*935N240SMK-MRING96010381016*986N240S, M330MK-MRING101010901067*1041M330 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)FAQ:1. How to order the products?A: Please send the inquiry with detail item description or with Model number.2. How about the common packing?A: If there is no special packing demand, we will take it as our normal packing. First in small carton, and then put in the bigger carton together to make sure goods completed.3. Can I expect a quality products?A: Yes. mature production technology ensuring the quality satisfy international request.4. How to check the product are the exact one you want?A: If possible, please attach one reference picture to avoid any misunderstanding or any links from ourwebsite for a better understanding.5. How to control quality?A: We have our own experienced QC team,there will be strict inspection and testing for each order before shipping out.6. What is the materials?Steel is TIMKEN, Alloy is from T6 from Element Six.7.How to choose the suitable head face of the DTH drill bit?a. Concave:Suitable for all kinds of formation, especially for deep well drilling, perpendicularity of the hole is wonderful.b. Convex: Suitable for the formation of moderate hardness stratum, drilling efficiency is good, borehole perpendicularity is moderate.c. Flat: Suitable for special hard formation stratum, especially for fracture, crack spacing and complex formation drilling effect is very good, has the good perpendicularity of the borehole.
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