Overburden Concentric Drilling System With Side Blocks OD108mm-406mm Casing Tube

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Changsha Sollroc Engineering Equipments Co., Ltd

City: changsha

Province/State:hunan

Country/Region:china

Tel:86-731-85551632

Contact Person:
Ms.Ling Bo View Contact Details

Overburden Concentric Drilling System With Side Blocks OD108mm-406mm Casing Tube

Brand Name	SOLLROC
Model Number	Casing Drilling System With Side Blocks
Certification	SGS
Place of Origin	China
Minimum Order Quantity	1 set
Supply Ability	20000 sets per month
Delivery Time	3-4 weeks
Packaging Details	Cartons + ply wood case (no plastic)
Product name	Casing Drilling System With Side Blocks
Color	as request
Hammer Type	3"-12"
Specification	2 wings,3 wings,4 wings
Casing tube	OD108mm-406mm
Material	High Speed Steel

Detailed Product Description

Overburden Concentric Casing Drilling System With Side Blocks

Product Specification:

Concentric casing system with block is a revolutionary new bit design with wings that extend out
larger in diameter than the casing while in the drilling position. The face design of the Bit keeps it
almost identical with a conventional bit face, allowing for unmatched penetration rates and
smooth operation while drilling through overburden, boulders, or bedrock. When drilling is
completed, the bit is simply lifted off bottom, causing the wings to retract back into the guide
body. This allows all tooling to be extracted while leaving the casing in place. There is no forward
or reverse rotation required, nor any expensive rings left in the hole.
Concentric casing system with block consists of two parts: Guide Device and Block.

Casing Tube OD(mm)	Casing Tube ID(mm)	Reamed Dia(mm)	Casing Shoe ID(mm)	Hammer Type
168	149-155	184	140	DHD350/SD5/QL50/MISSION50
178	159-165	194	150	DHD350/SD5/QL50/MISSION50
193	173-180	206	164	DHD360/SD6/QL60/MISSION60
219	199-206	234	182	DHD360/SD6/QL60/MISSION60
244	224-260	260	210	DHD380/SD8/QL80/MISSION80
273	251-257	305	240	DHD380/SD8/QL80/MISSION80
323	301-310	348	284	SD10/NUMA100
406	382-388	440	364	SD10/NUMA100
457	433-439	488	413	SD12/NUMA120/DHD1120
508	484-490	538	464	SD12/NUMA120/DHD1120

About Us:
Sollroc is an international market-oriented company specialized in manufacturing, supplying and services of rock drilling tools. we offer a full range of drilling products. Such products are provided as top hammer drilling tools (TH), down the hole drilling tools (DTH hammers and bits), self drilling anchor tools, RC drilling tools(RC hammers and RC bits), which are widely used in mining, quarrying, well drilling and construction. All of them are compatible with other world leading brands such as Atlas Copco, and Boart Longyear.

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Overburden Concentric Drilling System With Side Blocks OD108mm-406mm Casing Tube for sale


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