Energy Saving DTH Drill Bits High Air Pressure Diameter 203 - 305 Mm

Basic Information
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: COP84
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Carton packaging and wooden box packing
Delivery Time: 5-8 work days
Payment Terms: Western Union, T/T, L/C
Supply Ability: According to order quantity
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Detail Information
Diameter (mm): 203-305mm No Head Length(mm): 350mm
Number Of Vents: 2-3 Head Shape: Flat Face Bit/Concave Face/Convex Face
Material: Alloy Steel Spline Key Number: 10

Product Description

COP84 (DHD380) 203-305mm high air pressure energy saving DTH Drill Bits



    The use of high quality steel and hard alloy as raw materials, through a special heat treatment process, ball tooth bit can reach under the hardness strong rock excavation, and to reduce the energy loss in the transmission process, tooth uniform force is not easy to drop off the teeth and teeth, so that impact the energy to focus on the rock to reach the purpose of high efficiency driving.



The alloy steel is very strong and has long service life.


easy operation
Strong torque, head design rich for different geological needs.


Well made
Standard of work size. Reduce wear and tear to screws and extend service life.


Complete specifications
Different sizes and sizes. Meet the needs of different airlines.




COP Head shape



Number of vents NO X button diamter weight (KG)
Toothed Gauge Front



Convex Face 203 2 Round Button 10XØ18 15XØ16  
Flat Face Bit 216 3 Round Button 12XØ18 14XØ16  
Flat Face Bit 254 2 Round Button 12XØ18 28XØ16  
Convex Face 305 3 Round Button 15XØ18 35XØ16  
We can design and manufacture according to customers requirement of the bit diameter,the NO.of air holes,carbide buttons and the face shape.

Feature Advantage

1- We are a true production manufacturer and are among the best in the industry of rock drilling tools.


2- We really do the high-end quality, low-end price.


3- We have a technical team with a backbone of research and development and a graduate of a professional college. At present, our company has successfully applied for a number of invention patents and practical performance patents.


4- We have an independent quality testing center with complete testing equipment to achieve 100% inspection before shipment.


5-We promise: The raw materials used are 100% high quality raw materials. If it is the quality problem caused by our reasons, we will take 100% responsibility and return the goods.


6- We can order all kinds of non-standard products according to customers' drawings and requirements. Sincerely welcome you to visit our factory for on-site inspection.


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Energy Saving DTH Drill Bits High Air Pressure Diameter  203 - 305 Mm

Contact Details

WhatsApp : 8618692219720