8 3/4 Inch 1308 Cutters Diamond Core Drill Bit with Matrix Steel Body - 60-260 RPM Speed Range
Price:
USD500-5000/spc
MOQ:
1 pc
Delivery Time:
7-30 days
Product Description
8 3/4 Inch 1308 Cutters Diamond Core Drill Bit
Professional PDC drill bit featuring matrix steel body construction with diamond-enhanced cutters for superior drilling performance in demanding applications.
Technical Specifications
| Bit Type | 6" | 8-1/2" | 8-1/2" | 12-1/4" | 17-1/2" GM1606T |
|---|---|---|---|---|---|
| IADC Code | M423 | M432 | M332 | M323 | M323 |
| Blade Count | 5 | 6 | 8 | 6 | 6 |
| Cutter Size | Φ13 MM | Φ16 MM | Φ13 MM | Φ16 MM | Φ16×58; Φ13×81 |
| Nozzle Qty/Type | 3NZ | 6NZ | 4NZ | 6NZ | 8NZ |
| Gauge Length | 1.5" | 2.2" | 2" | 2.5" | 110 mm |
| Connection | 3-1/2" API REG | 4-1/2" API REG | 4-1/2" API REG | 6-5/8" API REG | 7-5/8" API REG |
| Rotary Speed | 60-260 rpm | 60-260 rpm | 60-260 rpm | 60-260 rpm | 60-260 rpm |
| Weight on Bit | 8-50 KN | 20-100 KN | 20-100 KN | 30-140 KN | 30-200 KN |
| Flow Rate | 10-30 lps | 22-35 lps | 22-35 lps | 38-70 lps | 45-80 lps |
Custom sizes available upon request to meet specific project requirements.
Key Features
- High-quality alloy construction for enhanced durability and reduced wear
- Advanced welding technology based on Varel International standards
- FireStorm technology for improved wear resistance and thermal stability
Operational Guidelines
- Ensure well bottom is clean before deployment
- Verify thread connections and nozzle installation integrity
- Use gradual pressure application during initial drilling phase
- Follow manufacturer's recommended parameters for optimal performance
- Monitor for pressure changes, speed variations, and torque increases
Product Images
Applications
Ideal for coal mining, oilfield operations, water conservancy projects, hydropower construction, and road/building infrastructure development.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Dongying Oilman Machinery Equipment Co.,Ltd.
Location
www.oilmanchina.com
Contact Person
Christal