1. Bearing type: Rubber sealedjournal bearing
2. Quantity of nozzles: 3-4pcs(as per requirement)
3. Pin size: API 7 5/8REG
4. Bit weight net:240kg
5. Bit weight gross:260kg
6. Rotation speed: 120-60r/min
7. WOB: 0.5-0.8kN/mm
Application
Bit is designed for drilling ofoil and gas wells in soft to middle soft formations such as soft shale, middlesoft limestone,middle soft sandstone and formations of a hard abrasive typesandwitch.
Features
1. Combined circulation(Threeside jets and one central jet).
2. Shirttail and leg enteringedge hardfacing.
3. Shirttail protection withTCI.
4. Enhanced teeth hardfacing.
5. Inserts on gage surface.
6. Additional gage row.
Ouradvantage
1.Good quality,reasonableprice.
2.ISO9001:2000, ,APIcertified.
3.Timely delivery.
