Bottom price Down The Hole Bit - Concentric casing system with wings – Spark

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We persist with the principle of quality 1st, assistance initially, continual improvement and innovation to meet the customers for your management and zero defect, zero complaints as the standard objective. To great our service, we present the products and solutions while using the very good top quality at the reasonable cost for Dth Drill Bit, Down Hole Hammer Bits, Blast Hole Drilling Bit, Our items have exported to North America, Europe, Japan, Korea, Australia, New Zealand, Russia and other countries. On the lookout ahead to make up a good and long-lasting cooperation with you in coming potential!

Bottom price Down The Hole Bit - 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

Concentric casing system with wings7

	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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We believe in: Innovation is our soul and spirit. High-quality is our life. Consumer need to have is our God for Bottom price Down The Hole Bit - Concentric casing system with wings – Spark , The product will supply to all over the world, such as: European, Albania, Italy, Merchandise have been exported to Asia, Mid-east,European and Germany market. Our company has constantly been able to update the items performance and safety to meet the markets and strive to be top A on stable quality and sincere service. If you have the honor to do business with our company. we'll undoubtedly do our very best to support your business in China.

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