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| CUTTING STRUCTURE |
| Spherical on gage, double spherical on inner rows. Designed for high compressive strength, medium hard and abrasive formations, such as limestone, sandstone, interbedded dolomite. Compressive strength: 29,000-38,000 psi/200-262 Mpa |
| SHIRTTAIL PROTECTION |
| Hard welding and wear resistant carbide protection on shirttail lip and lug |
| PRODUCT SPECIFICATION |
| IADC Code: 632 |
| BearingType:Roller-Ball-Roller-Thrust Button/Openair Bearing |
| Circulation Type: Jet Air |
| Cutting Structure: |
| Inner and Nose Rows: Double spherical |
| Gage Rows: Spherical |
| Gage Bevel Protection: Ovoid |
| Pin Connection: 3 1/2″ API REG |
| Metric Bit Diameter: 159 mm |
| Product Weight: 44 lbs/20 kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 18,750-37,500 lbs/8.5-17 T |
| Rotational Speed: 60-100 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
