Overburden Concentric Casing Drilling System with 2 or 3 Wings

• Sizes: 2 Inch to 30 Inch
• Product Name: Concentric Casing System with Block
• Transport Package: Cartons + Ply-Wooden Cases for Exporting
• Specification: Grade A
• Trademark: sollroc
• Origin: Changsha, Hunan
• Model NO.: 168mm, 178mm, 219mm, 244mm, 273mm
• HS Code: 82071300
• Production Capacity: 1000 Per Month

Product Description

About us:

We are a leading manufacturer of rock drilling tools, like DTH hammers and bits, DTH drill pipes, RC hammers and bits, tophammer button bits, coupling, cross bits, drill rods located in Changsha, Hunan, China.
We have rich experience in this field of DTH hammers and bits for 20 years.
Owing to high quality, professional serivce and competitive price, we have gotten good reputation from our customers from all over the world, such as France, Spain, Italy, South Africa, Iran, Malaysia, Australia ad etc.



Product specifications: Concentric casing system with block

 

Casing Tube OD(mm)	Casing Tube ID(mm)	Reamed Dia(mm)	Casing Shoe ID(mm)	Hammer Type
168	149-155	184	140	DHD350/SD5/QL50/MISSION50
178	159-165	194	150	DHD350/SD5/QL50/MISSION50
193	173-180	206	164	DHD360/SD6/QL60/MISSION60
219	199-206	234	182	DHD360/SD6/QL60/MISSION60
244	224-260	260	210	DHD380/SD8/QL80/MISSION80
273	251-257	305	240	DHD380/SD8/QL80/MISSION80
323	301-310	348	284	SD10/NUMA100
406	382-388	440	364	SD10/NUMA100
457	433-439	488	413	SD12/NUMA120/DHD1120
508	484-490	538	464	SD12/NUMA120/DHD1120

 

 

We can also provide related products DTH hammers, ODEX system, symmetrix systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc





Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.


Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. And we can customize package according to your special requests.



Production time:
25 days after received payment in advance.


Transportation:
By air, By Express or By sea according to your requests.