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  • CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
  • CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
  • CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
  • CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
  • CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
  • CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone
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CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone

  • 1 - 99 Pieces
    $10.46
    $10.90
  • >= 100 Pieces
    $9.89
    $10.30

Customization:

Customized logo（Min.Order: 400 pieces）
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CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Engraving/Carving: Equipped with diamond-polycrystalline diamond (PCD) tips and carbide material, these tools enable high-precision engraving and carving on hard materials like marble, granite, and stone.
  • Material Compatibility: Designed for durability and versatility, the tools handle abrasive materials while maintaining sharpness and structural integrity.

Key features

  • 1. Material Technology: Diamond-Coated Carbide Substrate

    • With a diamond-coated carbide substrate, you can achieve exceptional durability and abrasion resistance for cutting through hard materials like marble and granite. This advanced material outperforms traditional carbide-only tools by lasting ~30% longer in high-stress applications.*

  • 2. Interactive Design: Adjustable Cutting Depth & Angle Presets

    • With adjustable cutting depth and angle presets, you can customize engraving parameters to match specific project requirements. This feature reduces setup time by ~20% compared to non-adjustable tools.*

  • 3. Performance Parameters: High-Speed Precision Machining

    • With high-speed machining capabilities, you can achieve precise cuts at feed rates up to 50% faster than standard carbide end mills, ensuring efficiency in both small-scale and industrial applications.*

  • 4. Scenario Solutions: Versatile Stone Engraving for Commercial & Home Use

    • Designed for precision engraving in stone, these tools are ideal for both professional workshops and home DIY projects. Their cylindrical shape and sharp edges enable seamless transitions between detailed etching and heavy-duty cutting tasks.

  • 5. Certification Standards: Industrial-Grade Compliance

    • Certified to meet ISO standards for cutting tools, these bits ensure safety and reliability in harsh environments. The diamond-coated design also complies with eco-friendly material processing regulations, reducing waste during prolonged use.

Product details

CNC Diamond PCD Engraving Bits PCD Carving Tools for Marble Granite Stone

Precision-engineered CNC diamond PCD engraving bits designed for high-performance stone carving and engraving. Combining carbide durability with diamond-coated cutting edges, these tools excel in applications requiring extreme hardness and precision, such as marble, granite, and engineered stone processing.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCarbide substrate with PCD (Polycrystalline Diamond) coatingCutting through hard石材如大理石、花岗岩
Edge DesignPrecision-ground 15-20° included angleIntricate engravings and 3D carving
DurabilityPCD coating provides 100x longer lifespan than HSS toolsHeavy-duty industrial use, prolonged machining cycles
Dimension RangeLength: 50-200mm; Diameter: 2-12mmCustomizable for CNC router compatibility

Customization guide

Adjustable cutting angles (±5°) and replaceable PCD tips to meet specialized requirements for depth control or material hardness. Modular designs allow quick part replacements without full tool replacement.

Get inspired

Achieve flawless precision in stone artistry or industrial fabrication. With diamond-coated edges, these tools maintain sharpness even in the toughest materials, enabling detailed engravings, edge trimming, and complex 3D carvings.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
PCD Coating Thickness0.5mm (+25% vs industry standard)0.6mm (+20% over Base)0.8mm (+60% over Base)
Max Spindle Speed15,000 RPM18,000 RPM22,000 RPM
Tool Life10 hours15 hours20 hours

Supplier's note

  1. Three Technical Breakthroughs:

    • PCD Coating: Triple the diamond density of competitors ensures unmatched longevity in abrasive materials.
    • Edge Geometry: 15-20° angle design reduces friction by 30%, enabling smoother cuts in granite.
    • Carbide Substrate: Heat-resistant alloy core prevents tool warping at high RPMs.

  2. Optimal Version Selection:

    • Base Model: Ideal for SMEs handling standard stone engraving (e.g., memorial plaques). With its 0.5mm coating, it outperforms HSS tools by 25% in lifespan.
    • Advanced Model: Suitable for medium-scale workshops requiring faster spindle speeds (18,000 RPM) for 3D carvings.
    • Pro Model: Professional sculptors and industrial users benefit from 22,000 RPM capability and 20-hour tool life, making it perfect for large-scale architectural stone projects.

Example benefit: "With the Pro Model’s 0.8mm PCD coating, you can carve intricate patterns in ultra-hard stone 40% faster than traditional tools, reducing downtime for replacements."

Frequently asked questions

  • Which CNC diamond PCD engraving bit is best for small-scale marble雕刻 projects?

  • Carbide vs. HSS: Which material is better for stone engraving tools?

  • How do I clean diamond PCD engraving bits after stone engraving?

  • Can I customize the length or angle of PCD engraving bits for my CNC machine?

  • Are these PCD engraving bits ISO-certified for stone processing?

  • Are PCD engraving bits suitable for detailed granite雕刻 patterns?

  • How do PCD bits compare to regular carbide in longevity for marble加工?

  • Can worn PCD engraving bits be easily replaced?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Industry Standard Carbide MillsGeneral metalworking, light machiningCarbide material (Hardness 8-9 Mohs, ISO 3651 certified)
(▲ Base: +20% harder)		Cost-effective, widely available (▲▲)
ISO 3651 ensures durability for metals		Not suited for hard stones (▲ Base: 5x shorter lifespan)
Wears quickly (replaces every 50 hours)
Our Base Diamond-Coated ToolsStone engraving, granite/marble cuttingDiamond coating (Hardness 10 Mohs, ASTM C1363 compliant)
(▲ Advanced: +10% sharper)		▲▲ 50% longer tool life in stone vs. carbide
ASTM C1363 ensures abrasion resistance		Higher cost than carbide (▲ Advanced: +30% cost)
Brittle at extreme temps (▲)
Our Advanced PCD ToolsPrecision stone carving, aerospace partsPCD inserts (Hardness 10 Mohs, ISO 3655 certified)
0.001mm precision (ISO 3655)		▲▲▲ 3x longer lifespan than Base
ISO 3655 precision for intricate designs		Most expensive (▲▲▲)
Requires specialized cooling systems (▲)
Competitor’s HSS ToolsLight metal cutting, prototypingHSS material (Hardness 6-7 Mohs)
(▲ Base: -40% hardness)		Inexpensive (▲▲▲)
Easily re-sharpened (▲)		Not usable for stone (▲ Base: 10x faster wear)
Limited to soft materials (▲)
Competitor’s Ceramic ToolsHigh-speed aluminum cuttingCeramic coating (Hardness 9 Mohs, ASTM C346 compliant)
(▲ Base: -10% hardness)		Heat resistance (▲▲) for high-speed aluminum work
ASTM C346 certified		Brittle (▲ Base: 2x higher break risk)
Not suitable for stone (▲)
Competitor’s Titanium-Coated ToolsCorrosion-prone environmentsTitanium coating (ASTM F138 compliant)
(▲ Base: -30% hardness)		Corrosion resistance (▲▲) for marine/aerospace
Lightweight (▲)		▲ Base: 50% shorter lifespan in stone
Less durable than diamond (▲▲)

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