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| CUTTING STRUCTURE |
| Off wedge on outer rows, spoon on inner rows. |
| Designed for medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone and dolomite |
| Compressive strength: 15,000-23,000 psi |
| SHIRTTAIL PROTECTION |
| Hard welding and wear resistant carbide protection on shirttail and lug back. |
| PRODUCT SPECIFICATION |
| IADC Code: 537 |
| Bearing Type: Journal bearing/Rubber sealing ring |
| Circulation Type: Mud |
| Cutting Structure: |
| Inner rows: Spoon |
| Outer rows: Off-wedge |
| Gage bevel Protection: Flat |
| Pin Connection: 6 5/8″ API REG |
| Bit Diameter: 250 mm |
| Product Weight: 65Kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 0.35--1.05 kN/mm |
| Rotational Speed: 40-110 rpm |
To make it easier for drillers to describe the rock bit they want, use the IADC classification codes.The IADC bit classification is a system in
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In 2020, the company welcomed a group of new vigorous college students.In order to make these college students better fit in Shareate, take root in
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