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| CUTTING STRUCTURE |
| Spherical on outer rows,conical on inner rows. |
| Designed for high compressive strength, medium hard, high abrasive layer, such as flint, limestone, sandstone, dolomite, etc. |
| Compressive strength: 29000-38000Psi |
| 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: 3 1/2″ API REG |
| Bit Diameter: 171 mm |
| OPERATING SUGGESTIONS |
| Weight on Bit: 0.70～1.20 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
