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| CUTTING STRUCTURE |
| Chisel on gage, spoon on inner rows. Designed for extremely soft formation with low compressive strength and high drillability, such as shale, soft limestone, soft sandstone, gravelly clay, soft dolomite, salt rock, coal seam. Compressive strength: 4,000-7,000 psi/27-48 MPa |
| SHIRTTAIL PROTECTION |
| Hard welding and wear resistant carbide protection on shirttail lip and lug |
| PRODUCT SPECIFICATION |
| IADC Code: 415 |
| Bearing Type: Roller-Ball-Roller-Thrust/Sealed Bearing |
| Circulation Type: Jet Air |
| Cutting Structure: |
| Inner Rows: Spoon |
| Gage Rows: Chisel |
| Gage Bevel Protection: Ovoid |
| Pin Connection: 6 5/8" API REG |
| Metric Bit Diameter: 270 mm |
| Product Weight: 162 lbs/74 kg |
| OPERATING SUGGESTIONS |
| Weight on Bit: 10,625-21,250 lbs/4.8-9.6 T |
| Rotational Speed: 90-120 rpm |
| Air Back Pressure: 29-58 psi/0.2-0.4 MPa |
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Phone: +86 0512 62850656
+86 0512 62851667
Fax: +86 0512-62851611
Email: info@shareate.com
Address: No.6 Weixi Road, Suzhou Industrial Park
