You are here:
You are here:
| CUTTING STRUCTURE |
| Spherical on gage and inner rows. Designed for high compressive strength, hard and abrasive formations, such as magnetite quartzite, quartzite, granite. Compressive strength: 55,000-66,000 psi/379-455 MPa |
| SHIRTTAIL PROTECTION |
| Hard metal and wear resistant carbide on shirttail lip and lug. |
| PRODUCT SPECIFICATION |
| IADC Code: 835 |
| Bearing Type: Roller-Ball-Roller-Thrust Button/Sealed Bearing |
| Circulation Type: Jet Air |
| Cutting Structure: |
| Inner and Nose Rows: Spherical |
| Gage Rows: Spherical |
| Gage Bevel Protection: Ovoid |
| Pin Connection: 6 5/8″ API REG |
| Metric Bit Diameter: 311 mm |
| Product Weight: 215 lbs/98 kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 27.3T / 60,186 lbs MAX |
| Rotational Speed: 50-80 rpm |
| Air Back Pressure: 29-58 psi/0.2-0.4 MPa |
About Us
Contact Us
Phone: +86 0512 62850656
+86 0512 62851667
Fax: +86 0512-62851611
Email: info@shareate.com
Address: No.6 Weixi Road, Suzhou Industrial Park
