Casing Drilling Shoe with Ring Bits Permanent Casing Drilling System

Basic Info

Model NO.	MK-MRING190
Trademark	MING
Origin	China
HS Code	8207199000
Production Capacity	20000PCS/Year

Product Description

Casing Drilling Shoe With Ring Bits Permanent Casing Drilling System
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.

Product Advantage:
1.Enhance penetration and perpendicularity.2.Reduce torque requirements.3.Deal with straight,oblique hole and other angle holes.4.Lowest effect with environment.

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

Wuhan Kingdrilling Diamond CO., LTD is one of the most professional manufacturer in DTH tools for water well drilling,geothermal drilling,mining drilling,bore hole drilling and so on.The main products include Casing drilling system, DTH hammer,DTH drill bits, Button bits, Thread bits, Taper Bits,Chisel bits, Tricone bit, Road milling tools, Coal picks,Drill pipes, Chisel bits, Cross bits etc. Customization is also acceptable to meet your requirements.

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.

Transprotation: By air, By Express or By sea / By train , according to your requests.