ROSCHEN GROUP
                                                                                                           
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105 Years
Since 1921
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Double Tube Core Barrel NQ 3.0 Meters - 75.7mm Hole Diameter, 47.6mm Core Diameter for Mining Exploration Drilling

Price Negotiable
Price: Negotiate
MOQ: 1 set
Delivery Time: Negotiable
Brand: ROSCHEN
Product Description
Product Overview
The Double Tube Core Barrel NQ 3.0 Meters is engineered for mining exploration core drilling operations, delivering reliable performance in demanding geological conditions.
Core Drilling Systems
Roschen provides comprehensive coring drilling systems including core barrels, diamond drill bits, drill rods, casings, and related accessories.
Exploration diamond drilling enables precise analysis of ore deposits through extraction of solid rock cores for geological assessment.
Technical Specifications
NQ Core Barrel Dimensions
MeasurementValue
Hole Diameter75.7 mm (3 inches)
Core Diameter47.6 mm (1-7/8 inches)
Barrel Length3.0 meters
Standard Wireline Core Barrel Sizes
SizeCore DiameterHole Diameter
AQ27.0 mm48.0 mm
BQ36.5 mm60.0 mm
NQ47.6 mm75.7 mm
HQ63.5 mm96.0 mm
PQ85.0 mm122.6 mm
Key Features
  • Double tube design for superior core recovery in fractured formations
  • Compatible with standard NQ wireline systems
  • 3.0 meter standard length for efficient drilling operations
  • High-quality steel construction for durability and longevity
  • Precision engineering for consistent core sample quality
Applications
Ideal for mineral exploration, geological surveying, and mining site assessment where high-quality core samples are essential.
Quality Assurance
All products undergo strict quality control inspections before shipment. We provide responsive technical support and comprehensive after-sales service.
Ordering Information
Production Time: 15-25 days
Packaging: Plywood cases and pallets for secure transportation
Shipping Options: Express courier, air freight, or sea freight
Contact Information
Email: roschen@roschen.com
WhatsApp: +86-137-6419-5009
Website: www.roschen.com

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ROSCHEN GROUP
Location 65 EAST XINHUAN ROAD, SHANGHAI, CHINA
Contact Person Bill, George, Michael

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