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  • BQ NQ HQ PQ Core Barrel Overshot Assembly
  • BQ NQ HQ PQ Core Barrel Overshot Assembly
  • BQ NQ HQ PQ Core Barrel Overshot Assembly
BQ NQ HQ PQ Core Barrel Overshot Assembly

BQ NQ HQ PQ Core Barrel Overshot Assembly

  • >= 1 Sets
    $480

Customization:

Customized logo（Min.Order: 1 pieces）
Customized packaging（Min.Order: 1 pieces）
Graphic customization（Min.Order: 1 pieces）
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BQ NQ HQ PQ Core Barrel Overshot Assembly

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Core Sample Extraction: Designed for efficient extraction of geological core samples in drilling operations, ensuring high precision and structural integrity.
  • Modular Assembly: Comprises interchangeable segments (e.g., BQ, NQ, HQ, PQ models) to configure tools for specific drilling depths, diameters, and material requirements.

Key features

  • 1. Material Technology

    • With high-strength forged steel construction, ensure durability in harsh mining environments.

  • 2. Interactive Design

    • With a modular assembly design, customize configurations to match specific drilling requirements.

  • 3. Performance Parameters

    • With precision-engineered core barrel design, achieve accurate rock sampling and reliable drilling outcomes.

  • 4. Scenario Solutions

    • Designed for heavy-duty mining operations, these tools enable continuous use in demanding industrial drilling scenarios.

  • 5. Certification Standards

    • Constructed with stainless steel meeting industrial safety standards, ensuring reliable performance in corrosive environments.

Product details

BQ NQ HQ PQ Core Barrel Overshot Assembly

The BQ NQ HQ PQ Core Barrel Overshot Assembly is a modular, high-performance drilling tool designed for mining and industrial applications. Crafted from premium steel or stainless steel via precise forging, these tools ensure durability and precision in harsh environments. Their modular design allows customizable configurations to meet specific drilling needs, while the 1-year warranty guarantees reliable performance.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel/Stainless SteelWith corrosion-resistant stainless steel, you can ensure longevity in corrosive conditions.
ModularityInterchangeable segmentsCustomize diameter, length, or features to adapt to diverse drilling scenarios.
PrecisionForged constructionAchieve accurate alignment for consistent core sampling results.
DurabilityHigh-strength metal alloyWithstand extreme forces and temperatures in mining operations.
Warranty1-year standardPeace of mind with full coverage for defects or malfunctions.

Customization guide

Adjustable parameters include segment length, diameter, and material composition to meet specialized requirements. For example, adding cooling channels or reinforced cutting edges enhances performance in high-heat or abrasive environments.

Get inspired

Whether drilling through hard rock formations or soft sediment, the BQ NQ HQ PQ series adapts to your needs. Its modular design and robust materials make it ideal for mining, geological surveys, or industrial excavation projects.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
MaterialSteelStainless SteelEnhanced Stainless Steel (+30% corrosion resistance)*
Load Capacity500 kN750 kN1,000 kN
Corrosion ResistanceStandardMarine-gradeTriple-industry-standard**
Warranty1 year2 years3 years

Supplier's note

  1. Technical Breakthroughs:

    • Modular Design: Enables rapid configuration adjustments for varying drilling depths and diameters.
    • Enhanced Stainless Steel: The Pro Model’s material provides 20% higher corrosion resistance than traditional steel.
    • Forged Precision: Ensures alignment accuracy within ±0.1mm, critical for core sample integrity.

  2. Version Selection Guide:

    • Base Model: Ideal for general mining operations requiring cost-effective, reliable drilling.
    • Advanced Model: Suitable for marine or chemical environments where corrosion resistance is critical.
    • Pro Model: Best for heavy-duty mining in abrasive or extreme conditions, offering unmatched durability and extended warranty.

*Compared to Base Model. **Exceeds ISO 13680 standards for corrosion resistance.

Frequently asked questions

  • Which core barrel overshot assembly model (BQ/NQ/HQ/PQ) suits specific mining drilling needs?

  • How do I maintain and clean a stainless steel core barrel overshot assembly?

  • What materials are used in BQ/NQ core barrel assemblies, and why choose stainless steel?

  • Can I customize the BQ/NQ core barrel assembly’s length or diameter?

  • Is the core barrel overshot assembly compliant with mining industry standards?

  • What warranty and support come with the PQ core barrel drilling tool?

  • How does the modular design improve core drilling efficiency?

  • Which industries benefit most from using BQ/NQ core barrel overshot assemblies?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHarsh mining environmentsASTM A36 (Industry)ASTM A304 (Base ▲)ASTM A240 (Advanced ▲▲) (resists corrosion 3x longer)
Modular DesignVariable drilling depths/diametersFixed configurations (Industry)3 modular sections (Base ▲)5+ customizable segments (Advanced ▲▲) (ISO 14960 compliance)
Forging ProcessHigh-stress drilling operationsCast construction (Industry)Forged to ISO 2768 (Base ▲)Precision forged (Advanced ▲▲) (ISO 2768-M tolerance)
Core Retrieval CapacityDeep drilling projects (>500m depth)1–2m segments (Industry)3m segments (Base ▲)5m segments (Advanced ▲▲) (ASTM F1940 verified)
Warranty PeriodLong-term mining contracts1 year (Industry)1 year (Base)2 years (Advanced ▲) (extended wear-and-tear coverage)
Weight-to-Strength RatioRemote/transport-limited sitesHigh weight-to-strength ratio (Industry)Optimized (Base ▲)Best ratio (Advanced ▲▲) (alloyed steel, 15% lighter)

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