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Best price 6 inch high air pressure dhd cop nd dth drill bits with carbide mining teeth for 6"dth hammer
DTH (Down to Hole) drill bit, also called spline connected drill bit, is mainly used in large scale mine (open and underground), open quarry and construction. The hammer is situated down the hole in direct connected with the drill bit with splines in the bit. The hammer piston strikes the drill bit resulting in an efficient transmission of the impact energy and insignificant power losses with the hole depth.
Q1: What’s your delivery time?
A: Commonly product need 20 days to produce, within 3 days if in stock.
Q2: What’s methods of payments are accepted?
A: We agree T/T ,L/C ,West Union ,One touch ,Money Gram ,Paypal.
Q3: What about the Shipments?
A: Bases on other quantity .We can send it to you by Express ,by Air ,by Sea ,and by Train.Or send the goods to your Chinese agent.
Q4: How to control the quality?
A: We should be checking & testing everyone button bit before shipment.
Q5: Do you agree sample order ?
A: Yes ,we are welcome your sample order to testing our quality.
Q6: Can we select the button bit color?
A: Yes ,we have golden ,silvery ,black and blue for your choice.
Q7: Can we change to our mark on the button bit?
A: Yes ,we can casting your company mark on the button bit.(Except sample order)
Q8: Do you have after-sale service and warranty service ?
A: Any Quality or quantity problem once confirmed,we will be compensate you the same. Any question or problem we will be reply you within 24 hours.
Q9: Can I trust your company ?
A: Our company has been certificated by Chinese government ,and verified by Ali baba Trade Assurance. 100% refund of the Trade Assurance Amount .Ali baba can guarantee all of you payment .Just order from US !
