HENGJI BIT SPECIFICATION | |
Bit Size | 7 7/8'' |
IADC Code | 537 |
Series | HR |
Tooth type | TCI/tungsten carbide insert |
Connection | 4 1/2 API REG PIN |
Bearing | rubber sealed bearing |
Nozzle | three jet nozzles |
Rotary Speed(rpm) | 120~50 |
Weight on Bit(KN/MM) | 0.45~1.0 |
Application | water well,oil well,HDD,exploration,etc |
Formation | Soft to medium formation with low compressive strength,such as medium soft shale,medium soft limestone,medium soft sandstone,etc. |
What we provide:
Tricone bits TCI & stell tooth 3 7/8’’~32’’;
Hole opener 200mm~1800mm;
Single roller cone bit
PDC Bit 3~9 baldes 4 1/8’’~17 1/2’’;
Drag bits, blade drag bit,pdc drag bit,chervon drag bit.
Drilling tools, collars, adaptor sub,stabilizar