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Energy Saving DHD340 130mm DTH Drill Bits High Air Pressure

Changsha Chaojingang machinery manufacturing CO., Ltd

Energy Saving DHD340 130mm DTH Drill Bits High Air Pressure

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Brand Name : Super Diamond

Model Number : DHD340

Certification : ISO9001:2018

Place of Origin : China

MOQ : 1 piece

Price : Negotiate

Payment Terms : T/T, L/C, Westem Union

Supply Ability : According to order quantity

Delivery Time : About 10-25days

Packaging Details : Carton packaging and wooden box packing

Material : Superior Alloy Steel

Application : Water Well Drilling Or Mining

Advatage : High Performance And Long Service Life

Color : Gold Or You Wanted

Head Shape : Flat Face Bit/Concave Face/Convex Face

Spline Key Number : 8 Splines

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DTH Drill Bits 5 1/8''(130mm) For Down The Hole Hammer DHD340, Concave face, Guage8*16mm, center6*16mm


1. Rapid drilling speed, bit body wearless;

2. Advanced heat treatment process, ensure the drilling life longer than similar products in the market.

3. DHD, MISSION, SD, QL, NUMA,different series of products, it can meet needs of different working conditions.


Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole,mountain reinforcement, anchorage and other engineering holes, geothermal exploration hole, Well bore and other fields.


Bit Dia.(mm)

Qty.× Button Dia.(mm)

Qty.Flushing holes








5 1/8''





Feature Advantage

1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.

2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.

3. Customer service: in order to create Super Diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.

The appearance of the picture is different from that of the actual product, and the actual product is the standard.

Frequently Asked Question:

1.Are you a manufacturer or a trade company?
We are a manufacturer of rock drilling equipments and pneumatic tools in China.
2.How many workers in your factory?and what is your company scale?
We have more than 100 employees, including factory workers,sales people,QC ,R&D and management team.
It occupies 26600 SQM, and workshop has 22000 SQM. With more than 100 staffs, our company includes 26 specialized technicians and 8 senior engineers. And we are equipped with nearly 400 sets of advanced equipment required for manufacturing rock drilling machine and pneumatic tools.
3.Where are your company?
We are located in Changsha city,Hunan province.Only 20 minutes by car from the Huanghua international airport.
4.Why choose CJG DRILL?
  • About 80% employees in our company has more than 10 years Experienced drilling workers in China;
2)High quality compatible with Sandvik, Atlas Copco,Ingersoll Rand etc...
3)Unbeatable price
4)Excellent service.
5.Which port do you shipping from?
We usually ship container from Shanghai port.Guangzhou and Beijing port is available too.
6.Can you accept OEM & ODM ?
Yes, both of them are acceptable.
7.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity.
8.What is your payment term?
We can accept T/T, L/C at sight, West union and in cash.
9.How about the delivery time?
It all depends,generally it takes about one month both in peak and off season.

10.Could we make a schedule of an appoinment with your company?
Definitely.You are the most welcome.Please inform us your arrival time in any place of China and initial routine in advance.We can reserve the hotel,offer pickup service from Changsha Huanghua airport or the CHR Express station unpon your arrival and after the appoinment.Be our guest then!

Weclome our dearest customers to Visit our factory and to choose our great product ranges!

Product Tags:

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Quality Energy Saving DHD340 130mm DTH Drill Bits High Air Pressure for sale

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