Hot sale 110mm down the hole drill bit for quarry drilling low air pressure

Stone Tools - Diamond Wire Saws >>>>>>>>>>>>>>>>>>>>> China 1505 Brand :>>>>>>>>>>>>>>>>>>>>> 227 >>>>>>>>>>>>>>>>>>>>> Hot sale 110mm down the hole drill bit for quarry drilling ( low air pressure), hot sale D-T-H drill bits for Vietnam market. Low air pressure DTH drill bits is usually by CIR series. The bit diameter is from 68mm to 200mm. We can design and manufacture according to customers' requirement of the Bit diameter, No. of air holes, Carbide button shape and the face shape. Another quarry drill bits are also offered,such as Sandvik, atlas cop DTH drill bits, Tapered chesel bits, croess drill bit, button bits, thread drill bit etc. Hot sale 110mm down the hole drill bit for quarry drilling low air pressure is Diamond Wire Saws from China, welcome to buy Hot sale 110mm down the hole drill bit for quarry drilling low air pressure with good quality and price from China suppliers and manufacturers directly. >>>>>>>>>>>>>>>>>>>>>Export Markets :>>>>>>>>>>>>>>>>>>>>> North America, Western Europe, Middle East, Australia, South America, Central America, Southeast Asia, Eastern Europe, Northern Europe, Asia, Africa etc.