12 1/4" IADC 545 Carbide API Roller Cone Drill Bit For Large Open-Pit Mining
Brand Name:ENG
Certification:API, AISI, ISO
Model Number:545R
Minimum Order Quantity:1 piece
Delivery Time:8 WEEKS
Payment Terms:L/C, T/T, Western Union
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A131 Science & Technology Innovation Park ,Free Trade Zone, Zhangjiagang city ,Jiangsu Province ,China .
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Product Details
12 1/4" IADC 545 Carbide API Roller Cone Drill Bit For Large Open-Pit Mining
- CUTTING STRUCTURE
- Spherical on gage, double spherical on inner rows.
Designed for soft formations with low compressive strength, such as shale, soft limestone, interbedded dolomite, coal ore.
Compressive strength: 18,000-27,000 psi/124-186 MPa - SHIRTTAIL PROTECTION
- Hard welding and wear resistant carbide protection on shirttail lip and lug
| Product Specifications | |
| Diameter | 12 1/4" 311mm |
| Bearing Type | Roller-Ball-Roller-Thrust Button/Sealed Bearing |
| Drilling cycle type | Jet Air |
| Connection thread ty | 6 5/8'' REG |
| Operation Parameters | |
| Rotary speed (r/min) | 80-110 r/min |
| Weight on Bit (KN) | 24,500-61,250lb/11.1-27.8T |
| Air Back Pressure | 29-58 psi/0.2-0.4 MPa |
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FAQ
| Q: You are a trading company or manufacturer ? |
| A: Manufacturer, We are a 100% real factory with over 20 years' experience in water/oil/gas wells Drill Bits. |
| Q: How about your products ? |
| A : Both of tricone bits and PDC bits strictly conform to API 7 requirements and ISO9001. we will do kinds inspections before delivery, also cover for after-sales service. |
| Q: Package Methods ? |
| A: Normally wooden case, also can be steel box; can be customized if need. |
| Q: Payment Terms ? |
| A: we accept T/T, L/C, Paypal, Western Union, etc. |
| Q: Can I visit your factory ? |
| A: Yes, we welcome you to our factory all the time, will send invitation letters if need; also can show our workshop and warehouse online. |
12 1/4" IADC 545 Carbide API Roller Cone Drill Bit For Large Open-Pit Mining
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