Factory Cheap Dth Down The Hole Hammer - Concentric casing system with wings – Spark

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Now we have highly developed devices. Our items are exported towards the USA, the UK and so on, enjoying a great popularity among the customers for Down The Hole Drill Rod, Shank Adapter For Drill, Reverse Circulation Water Well Drilling, We sincerely expect exchange and cooperation with you. Let us move forward hand in hand and achieve win-win situation.

Factory Cheap Dth Down The Hole Hammer - 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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With this motto in mind, we've got become among essentially the most technologically innovative, cost-efficient, and price-competitive manufacturers for Factory Cheap Dth Down The Hole Hammer - Concentric casing system with wings – Spark , The product will supply to all over the world, such as: Panama, Bhutan, Chicago, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to provide more quality products and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.

Concentric Drilling System