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| CUTTING STRUCTURE |
| Chisel on gage, conical on inner rows. Designed for medium soft formations with low compressive strength, such as shale, soft limestone, interbedded dolomite, coal ore. Compressive strength: 15,000-23,000 psi/103-158 MPa |
| SHIRTTAIL PROTECTION |
| Hard welding and wear resistant carbide protection on shirttail lip and lug |
| PRODUCT SPECIFICATION |
| IADC Code: 525 |
| Bearing Type: Roller-Ball-Roller-Thrust Button/Sealed Bearing |
| Circulation Type: Jet Air |
| Cutting Structure: |
| Inner and Nose Rows: Conical |
| Gage Rows:Chisel |
| Gage Bevel Protection: Ovoid |
| Pin Connection: 4 1/2″ API REG |
| Metric Bit Diameter: 200 mm |
| Product Weight: 75 lbs/34 kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 15,750-39,380 lbs/ 7.2-17.9 T |
| Rotational Speed: 80-110 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
