219mm Symmetric Overburden Casing System

• Warranty: 1 Year
• Certification: ISO9001:2008
• Customized: Non-Customized
• Condition: New
• After-sales Service: 1 Year
• Weight (Kg): 60
• Rock Drilling Tool: Concentric Overburden Casing System
• Work Pressure: 14-24bar
• Color: Black/Golden/Yellow/Orange
• Material: Alloy Steel and Carbide
• Unique Selling Point: High Cost Performance
• Warranty of Core Components: 1 Year
• Video Outgoing-Inspection: Provided
• Applicable Industries: Piling, Foundation, Water Well Drilling
• Marketing Type: Ordinary Product
• Core Components: Pilot Bit
• Processing Type: Forging
• Packing: Plywooden Case
• Machinery Test Report: Provided
• Application Range: Geothermal Wells,Grouting Holes,Water Wells etc
• Transport Package: Plywooden Cases
• Specification: symmetrix 219
• Trademark: Teamwhole
• Origin: Hunan, China
• HS Code: 84314320

Product Description

Symmetric Overburden Casing System

  

Application Range

It is recommended to drill in rock formation where contains some ovals and fractures.

Design Principles

 Make the casing follow easy and the equipment and operation simple 

Outstanding Advantages

The stable and reliable working performance and the less vibration of drill rig and flexible to open and close.

Order Guide:  A+B+C+D+G

 

Specifications

A	B	C	D	E	F	G
Outer Dia. of  Casing Tube	Inner Dia. of  Casing Tube	Reamed Dia.	Min. Inner Dia. of  Casing Shoe	Hammer Type	Drill Pipes	Max. Outer Dia. of  Normal Bit
mm	mm	mm	mm		mm	mm
108	93-99	118	86	TH79	76	77
114	101-103	127	91	TH79	76	82
127	114-116	136	101	TH79	76	92
140	124-127	152	117	TH98	76	105
146	127-132	154	117	TH98	76	105
168	149-155	184	140	TH122	76,89	125
178	159-165	194	150	TH122	76,89	140
193	173-180	206	164	TH139	89,114	150
219	199-206	234	184	TH139,TH180	89,114	165
244	224-231	260	210	TH180,TH220	114	190
273	251-257	305	240	TH180,TH220	114,127	220
323	301-310	348	284	TH180,TH220	127	255
406	382-388	440	364	TH220,TH275	140	340
457	433-439	488	413	TH275	140	385
508	484-490	538	464	TH275	140	440
558	534-540	590	514	TH275,TH398	140	485
610	586-592	642	566	TH275,TH398	168	540
660	636-642	694	615	TH398	168	590
711	687-693	745	665	TH398	168	640
762	738-744	798	716	TH600	168	685
863	839-845	900	815	TH600	168	785

 

 

 

 

How to complete the whole deal

Step: 

1. Firstly decide the design, material and color 

2. Decide the size in accordance with client's requirement and our

 recommendation 

3. We will give the best offer. 

4. Client's accept the offer and we send proforma invoice. 

5. Client transfers 30%-50% deposit and production begins

6. After production, we will send ready products photo 

7. After client's confirmation, we will arrange shipment, and send 

copy shipping documents like B/L, commercial invoice and 

packing list 

8. Client transfer balance payment and we will send original 

documents by DHLor EMS