1.Using the latest rock drilling theory,optimizing the inside structure and the size of the air distrbution,to make the DTH hammer obtain the optimal energy transfer and make it achieve faster drilling speed and lower air consumption.
2.For such projects as the drill bit break,retrieving very difficult,we specially designed a safe and reliable anti-shedding
device for the bit.
3.The check valve can be replaced to the one with bigger air controlling hole to provide more efficient cutting
4.The top sub and the drive chuck have special thread,which can achieve an easier disassemble.
1.what can you buy from us?
Air Compressor,Drilling Rig,Drill Bit,Spare Parts
2.How can I make payment?
A: You can pay directly online on Alibaba with credit card, or TT, Western Union, LC etc.
3. How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping. Shipping efficiency depends on country and city you want to ship to. For small and delicate products, we ship by DHL, UPS, Fedex or TNT.You can also appoint shipping method you like before we ship.4.How is your quality control?
A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.
5.Do you have any certificate of authorization?
A: Our machinery is CE certified.
If you need any rock drilling tools, please contact our company: