• Model NO.：MK-MRING90
• Processing Type：Forging
• Application：Water Wells, Geothermal Wells, Building, etc
• Surface Treatment：Spray-Paint
• Transport Package：Wooden Case
• Trademark：MING
• Origin：China
• HS Code：8207199000
• Production Capacity：20000PCS,Year

Basic Info.

Model NO. MK-MRING90 Processing Type Forging Application Water Wells, Geothermal Wells, Building, etc Surface Treatment Spray-Paint Transport Package Wooden Case Trademark MING Origin China HS Code 8207199000 Production Capacity 20000PCS/Year

Product Description

RING wing bit casing drilling system by DTH hammer
Product details:
Rock drilling tools factory KINGDRILLING professionally produce Ring wing bit concentric drilling systems by down the hole hammer which are designed to drill and case a hole simultaneously through unstable ground conditions.
A driver bit and a ring are assembled to a complete RING system bit which is suitable for 114-1067mm diameter casing tube.

Product features: 
1. Hardening treatment of the surface:with longer operating life and excellent anti-wear properties 
2. Simple structure: greatly minimize the chances of structural failure, convenient operation 
3. superior performance:take care of both the drilling wear life and 
 

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 connection (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. 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 our website for a better understanding.
4. Fast delivery time:
A: Usually it takes 25 days for production.only 3 or 5 days if we have stock of your request size.
5. Shipping way:
A: Sample order: we suggest Courier express delivery such as DHL/UPS/TNT/FEDEX or by air
Bulk order: by air or by sea we suggest.
6.What is the materials?
Steel is TIMKEN, Alloy is from T6 from Element Six.

Product Application:


Package and Delivery:
Packed by Carton or Wooden cases.

Delivery:

1. Goods in stock can be delivered within 5 days.
2. DTH Bits production time is about 15 days.
3. DTH Hammer product time is about 30 days.

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