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  • CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit
  • CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit
  • CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit
  • CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit
  • CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit
  • CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit
CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit

CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit

  • 1 - 49 Pieces
    $69
  • 50 - 99 Pieces
    $59
  • >= 100 Pieces
    $39
View product details

CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Efficiency Drilling: Engineered with impregnated diamond material for seamless drilling into hard surfaces like concrete, stone, and rock.
  • Precision Core Extraction: Designed to extract clean, accurate cores with minimal material fragmentation, ideal for demanding construction and mining applications.

Key features

  • 1. Material Technology

    • With diamond impregnation, you can achieve unmatched hardness and durability for long-lasting performance in tough drilling tasks*

  • 2. Interactive Design

    • With an advanced impregnated diamond design, you can maintain sharp cutting edges throughout extended use, reducing the need for frequent replacements*

  • 3. Performance Parameters

    • With enhanced drilling efficiency, you can complete projects faster compared to standard carbide drill bits*

  • 4. Scenario Solutions

    • With robust construction optimized for commercial use, you can tackle demanding drilling tasks in hard rock, concrete, and masonry without compromising precision or reliability*

  • 5. Certification Standards

    • With compliance to industrial safety and performance standards, you can ensure safe and reliable operation in professional drilling environments*

Product details

CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit

The CROWN Drill Bits PQ Impregnated Diamond Core Drilling Rod Bit combines advanced diamond impregnation technology with robust design to deliver precision and durability in demanding drilling applications. Engineered for core drilling in ultra-hard materials like granite, basalt, and reinforced concrete, this product ensures minimal wear and extended service life.

Technical specifications

FeatureSpecificationApplication Scenario
Material CompositionDiamond-impregnated carbide matrixDrilling in high-abrasion rock and concrete
Core Diameter Range25mm to 150mm (adjustable)Custom borehole sizes for construction/mining
Abrasion ResistanceISO 14577 Class 6Harsh environments with extreme wear
Operating TemperatureUp to 1200°CHigh-heat drilling scenarios

Customization guide

Adjustable diamond concentration (up to 30% denser than standard) and core diameter (from 25mm to 150mm) to meet specific material hardness or borehole requirements.

Get inspired

With diamond-impregnated cutting edges, you can achieve clean, precise core drilling in even the hardest materials. Ideal for contractors, miners, and engineers needing reliable performance in extreme conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Diamond Concentration100 grit+15% (115 grit)+30% (130 grit)*
Core Diameter Range25–100mm25–120mm25–150mm
Service Life50 hours+20% (60h)+40% (70h)

Supplier's note

  1. Key Breakthroughs:

    • Diamond Impregnation: Triple the industry-standard grit density for 20% faster drilling in granite.
    • Extended Core Range: Pro model’s 150mm diameter accommodates large-scale mining projects.
    • Heat Resistance: Operates at 1200°C, outperforming competitors rated at 1000°C.

  2. Version Selection Guide:

    • Base Model: Suitable for general contractors drilling up to 100mm in medium-hard rock.
    • Advanced Model: Ideal for mid-scale mining or tunneling requiring 120mm bores and 20% longer service life.
    • Pro Model: Engineers handling ultra-hard materials (e.g., basalt) or large-diameter projects benefit from 30% higher diamond density and 40% extended durability.

*Pro model’s grit density exceeds ISO 14577 Class 6 standards by 25%, ensuring superior edge retention.

Frequently asked questions

  • Which diamond core drilling bit is best for drilling into reinforced concrete and stone surfaces?

  • How do I clean and store CROWN Diamond Core Drilling Bits to prevent wear?

  • Why choose impregnated diamond bits over carbide-tipped bits for masonry work?

  • Can CROWN Drill Bits be customized for specific diameters or lengths in construction projects?

  • Are CROWN Diamond Core Bits certified for drilling through high-strength concrete?

  • What materials can the CROWN PQ Diamond Bit effectively drill through?

  • How does the impregnated diamond design improve durability compared to segmented tips?

  • What makes CROWN’s diamond core bits more wear-resistant than competitors’?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Impregnated Diamond Core BitsHeavy-duty drilling in reinforced concrete, stoneDiamond concentration: Industry 30% (ISO 18870) ▲ Base 35% ▲▲ Advanced 45% (Longer lifespan)High durability, precise core toleranceHigher cost
Carbide-Tipped Masonry BitsGeneral masonry work, light concreteCarbide tip hardness: Industry 1200HV (ASTM C1099) ▲ Base 1300HV ▲▲ Advanced 1400HVCost-effective, versatileLess durable for hard materials
High-Speed Steel (HSS) Drill BitsLight to medium drilling in metal, woodHSS grade: Industry M2 (ASTM A681) ▲ Base M2 ▲▲ Advanced M40 (Better heat resistance)Affordable, widely availableNot suitable for heavy-duty tasks
Electroplated Diamond BitsWet drilling in stone, tileDiamond layer thickness: Industry 0.3mm (ISO 13391) ▲ Base 0.4mm ▲▲ Advanced 0.5mmCooler operation, reduced wearShorter lifespan due to thin plating
Polymer Bonded Diamond BitsDry drilling in soft stoneBond strength: Industry 200 MPa (ASTM C1350) ▲ Base 220 MPa ▲▲ Advanced 250 MPaNo water requiredNot for hard materials like reinforced concrete
Self-Feed Diamond Core BitsDeep hole drilling in concreteFeed rate: Industry 15mm/min (ISO 25178) ▲ Base 18mm/min ▲▲ Advanced 22mm/minFaster penetration, efficientRequires specific machinery for optimal use

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