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| CUTTING STRUCTURE |
| Spherical on outer rows, conical on inner rows. |
| Designed for high compressive strength, medium hard, highly abrasive layers such as flint, limestone, sandstone and dolomite. |
| Compressive strength: 29,000-38,000 psi |
| SHIRTTAIL PROTECTION |
| Hard welding and wear resistant carbide protection on shirttail and lug back. |
| PRODUCT SPECIFICATION |
| IADC Code: 637 |
| Bearing Type: Journal bearing/Rubber sealing ring |
| Circulation Type: Mud |
| Cutting Structure: |
| Inner rows: Conical |
| Outer rows: Spherical |
| Gage bevel Protection: Flat |
| Pin Connection: 6 5/8″ API REG |
| Bit Diameter: 250 mm |
| Product Weight: 65Kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 0.7--1.2 kN/mm |
| Rotational Speed: 40-70 rpm |
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
