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Eccentric overburden casing system with three pieces rock drilling tools

Name: Eccentric overburden casing system with three pieces rock drilling tools
Brand: ROSCHEN GROUP

Eccentric overburden casing system with three pieces rock drilling tools Rock Drilling Tools: 1. Drill in overburden unstable rock 2. One step to drill and follow casing 3. Flexible to open or close Description of dth hammer and bit: Application Range: It is suitable for drilling water wells, geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project. Design Principles: Make the casing follow easy and the equipment and operation

Brand Name ROSCHEN

Type Overyburden Drilling system

Usage Well Drilling, geothermal wells

Processing Type Forging, Casting

Machine Type Odex Drilling

Minimum Order Quantity 1-5 pcs

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Product Description

Eccentric overburden casing system with three pieces rock drilling tools

Rock Drilling Tools:

1. Drill in overburden unstable rock
2. One step to drill and follow casing
3. Flexible to open or close

Description of dth hammer and bit:
Application Range:

It is suitable for drilling water wells, geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.

Design Principles:

Make the casing follow easy and the equipment and operation simple

Outstanding Advantages:

Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.

Specifications:

A	B	C	D	E	F
Outer Dia. of Casing Tube	Inner Dia. of Casing Tube	Reamed Dia.	Min. Inner Dia.of Casing Shoe	Hammer Type	Drill Pipes
mm	mm	mm	mm		mm
108	93-99	118	86	TH79	76
114	101-103	127	91	R56,T38,TH79	76
127	114-116	136	101	TH79	76
140	124-127	152	117	TH98	76
146	127-132	154	117	TH98	76
168	149-155	184	140	TH122	76,89
178	159-165	194	150	TH122	76,89
193	173-180	206	166	TH139	89,114
219	199-206	234	193	TH139,TH180	89,114
245	224-231	260	210	TH180,TH220	114
273	251-257	300	241	TH180	114,127