| Use: | Well Drilling |
|---|---|
| Material: | Tungsten Carbide |
| Type: | Center Drill Bit |
| Model Number: | IADC 525,625 |
| Brand Name: | WM |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
Minging rock bits non sealed roller bearing air cooling rock bits air circulation rock bits
6 1/4" 6 3/4" 7 7/8" 8 1/2" 9" 9 5/8" 9 7/8" 10 5/8" 12 1/4" 13 3/4"
IADC525,625
Cutting structure
Conical on gage,conical on inner rows.designed for medium-hard and abrasive formations with high compressive strengths such as limestone,sandstone,dolomite and chert
Product specification
6 1/4" 6 3/4" 7 7/8" 8 1/2" 9" 9 5/8" 9 7/8" 10 5/8" 12 1/4" 13 3/4"
IADC525,625
Cutting structure
Conical on gage,conical on inner rows.designed for medium-hard and abrasive formations with high compressive strengths such as limestone,sandstone,dolomite and chert
Shirttail protection
hardmetal and wear resistant carbide on shirttail lip and lugProduct specification
IADC code:625
Bearing type:roller-ball-roller-Thrust
Button/Sealed bearing
Circulation Type:Jet Air
Cutting Structure:
-Inner and Nose Rows:Conical
-Gage Rows:Conical
-Gage Bevel Protection:Flat-top
Pin Connection: 6 5/8" API
Metric Bit Diameter:251mm
Product Weight:65Kg
Operating Suggestions
Weight on Bit:29,630-59,250lbs
Rotary Speed: 100-60RPM
Air Back Pressure:0.2-0.4Mpa