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| 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 |
Shareate has always attached great importance to the after-sales service for our customers, which is the core competitiveness we are proud of. When the
By strict quality control procedures. Shareate has always put quality and customer service first. Our products include rock drilling tools, cemented carbide, etc. From the
The metal index of electric vehicles finds that electric vehicles are popular in China and European and American markets by tracking the rebound of the
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
