190.5mm Milled Tooth Bit/tricone Roller Bit
190.5mm Milled Tooth Bit/tricone Roller BitContinuous Selling Item
190.5mm Milled Tooth Bit/tricone Roller Bit
BIT Diameter (mm) IADC CODE API RGE Applicable Formations Recommended Drilling Parameters N.W.(KG) G.W.(KG) Size(mm)
WOB (kn/mm) Speed r/mm
（bit dia）
190.5 311 4 1/2″ medium hard formation ,thick hard interlayer with High compressive strength,such as Hard shale、Limestone、sandstone、dolostone,etc 0.35~1.05 150~60 29 30 215*215*360
WOB (kn/mm) Speed r/mm
（bit dia）
190.5 311 4 1/2″ medium hard formation ,thick hard interlayer with High compressive strength,such as Hard shale、Limestone、sandstone、dolostone,etc 0.35~1.05 150~60 29 30 215*215*360
- Place of Origin:
- China
- Brand:
- Smith, Kingdream, Hughes, Srt
- Port:
- FOB Tianjin/beijing
- Packing:
- wooden case
- Payment Terms:
- L/C;T/T;Cash
- Delivery Time:
- 3-60
- Min Order Quantity:
- 1pcs
- Standard / Certificates:
- ISO,API