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  • Marble and Granite Core Drill Set for Stone Drilling
  • Marble and Granite Core Drill Set for Stone Drilling
  • Marble and Granite Core Drill Set for Stone Drilling
  • Marble and Granite Core Drill Set for Stone Drilling
  • Marble and Granite Core Drill Set for Stone Drilling
Marble and Granite Core Drill Set for Stone Drilling

Marble and Granite Core Drill Set for Stone Drilling

  • 1 - 99 Pieces
    $30
  • 100 - 9999 Pieces
    $15
  • >= 10000 Pieces
    $5

Customization:

Customized logo（Min.Order: 300 pieces）
View product details

Marble and Granite Core Drill Set for Stone Drilling

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Drilling in Hard Materials: Equipped with diamond-coated cutting edges, the core bits efficiently drill through marble, granite, concrete, and brick, ensuring precise hole formation without overheating.
  • Stable Attachment and Guidance: The cylindrical design with a conical tip and threaded shank provides secure tool attachment and directional stability, preventing slippage during high-pressure drilling tasks.

Key features

  • 1. Advanced Diamond-Coated Cutting Edges (Material Technology)

    • With diamond-coated cutting edges and vacuum brazed finish, you can achieve precise, long-lasting drilling in hard materials like granite and marble. ~30% longer lifespan compared to carbide-tipped bits*.

  • 2. Precision-Guided Conical Tip (Interactive Design)

    • With a precision-engineered conical tip, you can ensure accurate hole alignment and prevent bit wandering during drilling. Reduces misalignment errors by up to 50% versus flat-tip designs*.

  • 3. Extended 70mm Working Length (Performance Parameters)

    • With a 70mm working length, you can drill deeper holes without frequent bit changes, enhancing efficiency in construction projects. Outperforms standard 50mm bits by allowing 40% deeper penetration*.

  • 4. Versatile Wet/Dry Drilling Capability (Scenario Solutions)

    • With wet/dry drilling compatibility, you can adapt to both indoor and outdoor environments. Ideal for commercial installations and home renovations where water access varies*.

  • 5. Industrial-Grade Compliance (Certification Standards)

    • With compliance to ANSI/BHMA safety standards*, you can ensure reliable performance in professional settings. Meets rigorous durability testing requirements for construction tools.

Product details

Marble and Granite Core Drill Set for Stone Drilling

The Marble and Granite Core Drill Set is engineered for precision drilling in hard materials like stone, concrete, and brick. Featuring a diamond-coated cutting edge and vacuum-brazed construction, it delivers unmatched durability and efficiency. With a 6mm diameter and 70mm working length, this tool ensures clean, accurate holes in demanding applications.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDiamond (vacuum brazed)Cutting through high-tensile materials like granite and marble
Diameter6mmDrilling precise small to medium-sized holes
FinishDiamond vacuum brazedEnsures secure adhesion of diamond layer to metal body
Working Length70mmMaintains stability during deep-hole drilling

Customization guide

Adjustable parameters:

  • Diameter: Choose from 6mm to 50mm to match hole requirements for plumbing, electrical, or masonry projects.
  • Material Coating: Opt for diamond grit density (e.g., 80/100 mesh) to balance cutting speed and longevity.
  • Working Length: Extend or shorten based on material thickness to optimize drilling stability.

Get inspired

Whether renovating a kitchen countertop or installing pipes in a stone wall, this drill set adapts to your project’s demands. Its diamond edge ensures minimal wear, while the vacuum-brazed finish guarantees reliability even in high-heat conditions.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Cutting SpeedStandard (150 RPM)+20% faster (180 RPM)+40% faster (210 RPM)*
Durability8-hour continuous use12-hour use24-hour industrial use
Precision±0.5mm tolerance±0.3mm tolerance±0.1mm tolerance
Working Length70mm100mm150mm

Supplier's note

  1. Technical Breakthroughs:

    • Diamond Vacuum Brazing: Reduces edge detachment risk by 30% compared to traditional welding.
    • Precision Tolerances: The Pro model’s ±0.1mm accuracy enables flawless alignment in high-stakes construction.
    • Extended Durability: The Advanced model’s 12-hour rating outperforms industry standards by 50%.

  2. Optimal Version Selection:

    • Base Model: Ideal for occasional DIYers drilling 6–10 holes per project.
    • Advanced Model: Perfect for contractors needing faster cuts (e.g., commercial tile work).
    • Pro Model: Designed for industrial users requiring extreme precision and endurance (e.g., stone quarrying).

With the Pro’s ±0.1mm tolerance, you can achieve flawless joints in marble installations. Pair its 150mm working length with diamond grit for drilling through thick granite slabs—20% faster than traditional carbide bits. The Advanced model’s 180 RPM speed reduces labor time by 15% in medium-scale projects. Choose based on your material thickness and required output volume.

Frequently asked questions

  • Which core drill bits are best for drilling into marble and granite surfaces?

  • How do I maintain diamond-tipped core bits for long-term use?

  • What’s the advantage of diamond vs. carbide core bits for stone drilling?

  • Can these core bits handle both wet and dry drilling?

  • What diameter options are available in the core drill set?

  • Are these core bits suitable for deep hole drilling in concrete?

  • Are the core bits certified for industrial construction use?

  • How do I select the right size for drilling bathroom tiles?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy-duty construction, masonry workIndustry Standard: Carbide-tipped steel (ISO 513 P20)
Our Base: Diamond-coated steel (ISO 5619 compliant)
Our Advanced: Polycrystalline diamond (PCD) matrix (ASTM C32)		▲ Base: 30% harder than carbide for stone drilling
▲▲ Advanced: 50% longer lifespan in abrasive materials		Base: Moderate cost vs carbide
Advanced: 40% higher price point
Diamond Coating QualityPrecision cutting in granite/marbleIndustry Standard: 80 grit diamond (ISO 5619)
Our Base: 100 grit diamond (ASTM C136)
Our Advanced: 120 grit diamond (ASTM C136)		▲ Base: 20% finer cuts vs standard
▲▲ Advanced: 40% smoother edges (reduces chipping)		Base: Moderate heat resistance
Advanced: Requires wet drilling (▲▲ cooling needed)
Shank DesignHigh-vibration environmentsIndustry Standard: Standard hex shank (EN 1671)
Our Base: Hex shank with anti-slip grooves (ISO 14435)
Our Advanced: Tapered Morse shank (DIN 228-1)		▲ Base: 25% less slippage in wet conditions
▲▲ Advanced: 50% stronger torque transfer		Base: Limited tool compatibility
Advanced: Requires specialized tooling (▲▲ cost)
Working LengthDeep-hole drilling in thick stoneIndustry Standard: 50mm (EN 1671)
Our Base: 70mm (ISO 14435)
Our Advanced: 100mm (ASTM F2028)		▲ Base: 40% deeper reach for countertops
▲▲ Advanced: 100mm for 12" thick stone slabs		Base: Moderate weight for handheld use
Advanced: 30% heavier (▲▲ requires rig support)
Diameter OptionsCustom hole sizing for plumbing/electricalIndustry Standard: 6-20mm fixed sizes
Our Base: 6-30mm (ISO 284) + 5mm increments
Our Advanced: 6-50mm (ISO 284) + 2mm precision		▲ Base: 50% more size flexibility vs standard
▲▲ Advanced: 300% wider range for large-scale projects		Base: Limited to 30mm max diameter
Advanced: 2x higher storage complexity (▲▲ inventory)
Cooling SystemHigh-heat drilling scenariosIndustry Standard: No integrated cooling
Our Base: Grooved channels for water flow (ISO 2531)
Our Advanced: Integrated coolant ports + diamond thermal shield (ASTM F1921)		▲ Base: 30% cooler operation (▲▲ reduces overheating)
▲▲ Advanced: 50% faster drilling in dry/wet modes		Base: Requires external water source
Advanced: 20% slower RPM in dry mode (▲▲ needs setup)

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