Symmetric Overburnden Casing Drilling Systems DTH Drill Bits Rock Drilling Tool

• Customization: Available
• After-sales Service: Provide
• Warranty: 1 Year
• Model NO.: Eccentric Casing System
• Certification: CE
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Product Name: Eccentric Casing System
• Suitable Hammer Size: 3"-12"
• Use: Well Drilling
• Color: Customized Color
• Transport Package: Wooden Box
• Trademark: CS Drill
• Origin: Hunan, China
• HS Code: 8207
• Production Capacity: 5000

Product Description

Product Description

Eccentric casing systerms DTH Bit is very popular in international water well and ore drilling field.
It is a down-hole air hammer system that is designed to advance casing during drilling. Once a desired depth is reached they eccentric bit can be retrieved leaving the casing in place for sampling or installations.When the bore-hole is complete, the casing is retrieved to be used again.
It is suitable for drilling water wells , geothermal wells , short mircopiles ,medium mini-type grouting hole of building , damand harbour project .

Product Parameters

Product Model	Outer Dia.(A) (mm)	Inner Dia.(B) (mm)	The Max. Wall Thickness	Reamed Dia.(C) (mm)	Inner Dia. of Casing Shoe (D)(mm)	Inner Dia. of Casing Shoe That Pilot Bit Can Pass Through (mm)	Hammer Type	Drill Pipe (mm)
CS108-HD35-84	108	96	6	118	86	84	DHD3.5  QL30	76
CS114-HD35-90	114	102	6	123	92	90	DHD3.5  QL30	76
CS127-HD45-97	127	109	9	138	99	97	DHD340A QL40	76
CS140-HD45-115	140	128	6	152	117	115	DHD340A QL40	76
CS168-HD55-140	168	156	6	185	142	140	DHD350R QL50	76/89
CS178-HD55-146	178	158	10	195	148	146	DHD350R QL50	76/89
CS183-HD55-150	183	163	10	200	152	150	DHD350R QL50	76/89
CS194-HD65-165	194	180	7	209	167	165	DHD360 QL60	89/114
CS219-HD65-190	219	205	7	237	192	190	DHD360 QL60	89/114
CS245-HD85-208	245	225	10	264	210	208	DHD380 QL80	114
CS273-HD85-240	273	259	7	308	242	240	DHD380 QL80	114
CS325-HD100-280	325	305	10	358	282	280	NUMA100 SD10	114

 

Packaging & Shipping

 

Company Profile

 

FAQ

1. Are you exact manufacturer or just trading company?
We are both,we have our own factory. And also have many long-relationship factories.

2.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity.

We are welcome your sample order to testing our quality.

3. Can you accept OEM & ODM?
Yes, both of them are acceptable,.Please tell us your requirements or design drawings kindly.

As we have our own R&D team and the team leader is Dr.Zhao mingchun who has been always

in the material research and drawing design of drilling tools for 25 years.And he had designed

the world's biggest top hammer bit and DTH hammer bit, highly praised by the users.

4. How about Packing
Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation.

Also, we can customize package according to your special requests.

5. How about the delivery time?
It depends, generally it takes about 15-25day. If have stocks, Usually only 5-10 days if in stock.

6. Can I have a visit to your factory before the order?
Sure, welcome, kindly contact us for address details and time schedule.