OEM China Dth Bit Supplier - Concentric casing system with wings – Spark

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With our great management, potent technical capability and strict excellent handle procedure, we continue on to provide our customers with reputable top quality, reasonable selling prices and great providers. We purpose at becoming amongst your most trusted partners and earning your satisfaction for Eccentric Casing Systems, Hard Rock Drill Bits, Drilling Water Boreholes, Our business has already setup a professional, creative and responsible workforce to develop purchasers together with the multi-win principle.

OEM China Dth Bit Supplier - Concentric casing system with wings – Spark Detail:

Application

Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand.

Component parts

Concentric casing system with wings

Operation procedure

Concentric casing system with wings2

Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.

Advantages

The locking kit is very reliable, it prevents the wings falling off.
Ralated part list

Concentric casing system with wings2

Specification of concentric casing system with blocks

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	D		h	H	C	G
Model	O.D. of Casing Tube (mm)	I.D. of Casing Tube (mm)	Wall thickness (mm)	Guide device max. Dia. (mm)	Reamed Dia. (mm)	Min. I.D. of Casing shoe (mm)	Qty. of the wings	Hammer Type	Weight（KG）
T90	114	101	6.5	99	125	90	2	COP34/DHD3.5	15
T115	146	126	10	124	157	117	2	COP44/DHD340/SD4/QLX40	20.3
T136	168	148	10	146	180	136	2	COP54/DHD350/SD5/QL50	33.4
T142	178	158	10	154	195	142	2	COP54/DHD350/SD5/QL50	38.8
T160	194	174	10	172	206	160	2	COP54/DHD350/SD5/QL50	46.4

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Our target should be to consolidate and enhance the top quality and service of current goods, in the meantime frequently create new products to satisfy diverse customers' calls for for OEM China Dth Bit Supplier - Concentric casing system with wings – Spark , The product will supply to all over the world, such as: Lisbon, Ireland, kazan, We win many reliable customers by rich experience, advanced equipments, skilled teams, strict quality control and best service. We can guarantee all our products. Customers' benefit and satisfaction are always our biggest goal. Please contact us. Give us a chance, give you a surprise.

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