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| CUTTING STRUCTURE |
| Spherical on gage, double spherical and conical on inner rows, with auxiliary carbide protection. Designed for high compressive strength, hard and abrasive formations, such as granite, limestone, sandstone, dolomite. Compressive strength: 43,000-52,000 psi/296-358 MPa |
| SHIRTTAIL PROTECTION |
| Hard metal and wear resistant carbide on shirttail lip and lug. |
| PRODUCT SPECIFICATION |
| IADC Code: 635 |
| Bearing Type: Roller-Ball-Roller-Thrust Button/Sealed Bearing |
| Circulation Type: Jet Air |
| Cutting Structure: |
| Inner and Nose Rows: Double spherical and conical |
| Gage Rows: Spherical |
| Gage Bevel Protection: Ovoid |
| Pin Connection: 6 5/8″ API REG |
| Metric Bit Diameter: 251 mm |
| Product Weight: 143 lbs/ 65 kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 20.0T / 44,093 lbs MAX |
| Rotational Speed: 90-60rpm |
| 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
