OEM/ODM Supplier Retrac Bit - Polit Bit – TDS

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We keep on with our business spirit of "Quality, Performance, Innovation and Integrity". We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for Misson 60, Drifter Rods Manufacturers, Compressor Air Machine, We can give you the most competitive prices and high quality, because we are much more PROFESSIONAL! So please do not hesitate to contact us.

OEM/ODM Supplier Retrac Bit - Polit Bit – TDS Detail:

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.

Operation Procedure:

1. As soon as the drilling starts, the reamer opens and enlarges the hole to drive the casing shoe and casing tube down.

2.When drilling in over-burden formation is done, Start reverse circulation to close the reamer, and then pull up the assembly through the casing tube.

3.The casing tube can be left in the hole, or can be pulled out by means of grout sealing material.

4.Use the normal drilling tools to drill and achieve to the desired depth.

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	TDS79	76
114	101-103	127	91	R56,T38,TDS79	76
127	114-116	136	101	TDS79	76
140	124-127	152	117	TDS98	76
146	127-132	154	117	TDS98	76
168	149-155	184	140	TDS122	76,89
178	159-165	194	150	TDS122	76,89
193	173-180	206	166	TDS139	89,114
219	199-206	234	193	TDS139,TDS180	89,114
245	224-231	260	210	TDS180,TDS220	114
273	251-257	300	241	TDS180	114,127

Usage:

1. In not stable rock formation, the casing is necessary to follow.

2. Usually in water well drilling, for large hole boring.

3. Drilling depth is better less than 40 metres to control the hole well.

4. Match to 6″ hammer and 194mm casing tube.

5. Air pressure is 20 Bar and air volumn is 500 cfm.

6. The tools is fetched out to use in the next holes.

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We have been also concentrating on enhancing the things management and QC method so that we could preserve terrific edge inside the fiercely-competitive enterprise for OEM/ODM Supplier Retrac Bit - Polit Bit – TDS , The product will supply to all over the world, such as: Hungary, Cologne, Japan, With a team of experienced and knowledgeable personnel, our market covers South America, the USA, the Mid East, and North Africa. Many customers have become our friends after good cooperation with us. If you have the requirement for any of our products, please contact us now. We are looking forward to hearing from you soon.

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The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.

By Ingrid from Oslo - 2018.09.23 17:37

The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.

By Olive from Slovakia - 2018.09.21 11:44

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