PDC drill bits
Stratum conditions                                                                                                           
PDC drill bits are  mainly used for drilling soft and medium hard formation. Such as mud stone, limestone, shale, sandstone and granite etc.

Appication:                                                                                                            
PDC drill bits used to penetrate the degassing hole, drain hole, and grouting hole of coal mine, water canservancy and hydropower, road construction, bridge and building.

Operating condition :                                                                                                                                            
PDC drill bits work under low drilling pressure, midium-low drive speed  ,big drainage .

Available size:                                                                                                                                      
50mm,  56mm,  60mm,  65mm,  75mm,  94mm,   98mm,  113mm,  120mm,  120.5mm,  124mm,  143mm,   149mm,  152mm,  173mm,   190.5mm, 203mm, 254mm

Wireline core bit :  A gauge, B guage, N gauge, H gauge , P gauge.