CIR50 dth bits diameter 50~60mm. 30% speed up than hand hold rock drill machine CIR Hammer is a new product combining the advantages of DHD Hammer and QCZ Hammer. The wind pressure of working is between 0.5-0... Read MoreGet Best Price
76mm drill bit CIR70-76 bits using on mining and architectural engineering. Characteristics of low air pressure series dth drill bit: The dth drill bit is a kind of bit which is used with the submersible ... Read MoreGet Best Price
CIR110 DTH hammer bits , diameter from 110mm to 200mm. QIDELI drilling tools CIR110 series is the most used product in mining, It's a kind of drill bit which is cost-effective and energy saving. the hole ... Read MoreGet Best Price
CIR65 series down the hole button bits,working pressure 0.5~0.8Mpa Characteristics of low air pressure series dth drill bit:The dth drill bit is a kind of bit which is used with the submersible percussion ... Read MoreGet Best Price
CIR150 series button bits, round button for big holes, dia from150mm~300mm Our company is one of the earliest manufacturers with mature production technology of low-pressure drilling tools in China. Our company ... Read MoreGet Best Price
CIR170-300MM BITS FOR PV DRILLING. QIDELI BRAND QDL BITS Our company is one of the earliest manufacturers with mature production technology of low-pressure drilling tools in China. Our company has been engaged ... Read MoreGet Best Price
