HENGJI BIT SPECIFICATION | |
Bit Size | 6 1/8'' |
IADC Code | 617Y |
Series | HR |
Tooth type | TCI/tungsten carbide insert |
Connection | 3 1/2 API REG PIN |
Bearing | rubber sealed bearing |
Nozzle | three jet nozzles |
Rotary Speed(rpm) | 90~50 |
Weight on Bit(KN/MM) | 0.45~1.1 |
Application | water well,oil well,HDD,exploration,etc |
Formation | Medium hard formations with high compressive strength,such as hard shale,sandstone,limestone,dolomite,etc. |