Collection: Sintered Diamond Bur

The Sintered Diamond Bur is a heavy-duty precision tool engineered for high-speed grinding, shaping, and material removal on ultra-hard substrates like carbides, industrial ceramics, sapphire, and advanced composites. Featuring a sintered metal bond that permanently bonds diamond particles, it delivers unmatched durability and stability under extreme mechanical stress.

Key Features

  • Sintered Diamond Bond: Enhanced diamond retention for aggressive material removal and long-term wear resistance.

  • High-Speed Stability: Optimized for use with rotary tools or CNC machines.

  • Thermal Resistance: Withstands high temperatures during precision machining of heat-sensitive materials.

  • Multi-Profile Designs: Available in cylindrical, ball-end, and tapered shapes for specialized tasks.

Applications

Technical Considerations

  • Material Suitability: Optimized for Mohs 10 materials (e.g., diamond, cubic boron nitride).

  • Operational Limits:

    • Speed: 10,000–30,000 RPM (varies by bur size).

    • Cooling: Mandatory use of coolants to prevent thermal damage.

  • Safety: Wear protective gear (goggles, dust masks) to mitigate debris risks.

Comparison to Resin Bond Tools

Feature Sintered Diamond Bur Resin Diamond Bur
Bond Strength Ultra-durable, metal-bonded Moderate, resin-bonded
Best For Hard materials (Mohs ≥9) Softer materials (Mohs ≤8)
Lifespan 5–10x longer Shorter, prone to wear
Cost Efficiency Higher upfront, lower long-term cost Lower upfront, frequent replacement needed

Ideal for: Aerospace engineers, toolmakers, and high-precision workshops.Explore the Sintered Diamond Bur Series for industrial-grade performance.

131 products
  • 10mm Head 10pcs 3mm Shaft 45Grit Diamond Point Shape Head Drill Bits
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    $15.38
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    $15.38
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    $20.51
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  • 8mm Head 10pcs 3mm Shaft 45Grit Diamond Point Shape Head Drill Bits
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    $13.68
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    $13.68
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  • 6mm Head 10pcs 3mm Shaft 45Grit Diamond Point Shape Head Drill Bits
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    $11.97
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    $11.97
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  • 5mm Head 10pcs 3mm Shaft 45Grit Diamond Point Shape Head Drill Bits
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    $11.11
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    $11.11
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  • 4mm Head 10pcs 3mm Shaft 45Grit Diamond Point Shape Head Drill Bits
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    $10.26
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    $10.26
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  • 3mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $10.26
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    $10.26
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  • 16mm Head 10pcs 6mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $23.93
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    $23.93
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    $29.91
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  • 14mm Head 10pcs 6mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $17.09
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    $17.09
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  • 12mm Head 10pcs 6mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $15.38
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  • 10mm Head 10pcs 6mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $13.68
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    $13.68
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  • 8mm Head 10pcs 6mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $11.97
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    $11.97
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  • 6mm Head 10pcs 6mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $10.26
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    $10.26
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  • 10mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $10.26
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    $10.26
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  • 8mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $8.55
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    $8.55
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  • 6mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $6.84
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    $6.84
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  • 5mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $6.84
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    $6.84
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  • 4mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $6.84
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    $6.84
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  • 3mm Head 10pcs 3mm Shaft 45Grit Flame Shape Diamond Drill Bit
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    $6.84
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    $6.84
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  • 5pcs 3mm Shaft Flat End Shape Sintered Diamond Bur-H001
    Flat End Shape Sintered Diamond Bur
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    $25.64
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    $25.64
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    $29.91
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  • 5pcs 3mm Shaft Flat Head Inverted Cone Sintered Diamond Bur-H003
    Flat Head Inverted Cone Sintered Diamond Bur
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    $25.64
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    $25.64
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  • 5pcs 3mm Shaft Flat End Tapered Sintered Diamond Bur-H002
    Flat End Tapered Sintered Diamond Bur
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    $25.64
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    $25.64
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  • 5pcs 3mm Shaft Round Cone End Sintered Diamond Bur-H004
    Round Cone End Sintered Diamond Bur
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    $25.64
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  • 5pcs 3mm Shaft Round End Cylinder Diamond Sintered Bur-H005
    Round End Cylinder Diamond Sintered Bur
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    $25.64
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    $25.64
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  • 5pcs 3mm Shaft Bullet Sharp Diamond Sintered Bur-H006
    Bullet Sharp Diamond Sintered Bur
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    $25.64
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    $25.64
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  • 5pcs 3mm Shaft Pearl Shape Sintered DiamondBur-H007
    Pearl Shape Sintered DiamondBur
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    $25.64
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    $25.64
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  • 5pcs 3mm Shaft Flame Shape Sintered Diamond Bur-H008
    Flame Shape Sintered Diamond Bur
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  • 5pcs 3mm Shaft Conical Point Shape Diamond Sintered Bur-H009
    Conical Point Shape Diamond Sintered Bur
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    $25.64
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    $25.64
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  • 5pcs 3mm Shaft Flat End Inverted Cone Sintered Diamond Bur-H010
    Flat End Inverted Cone Sintered Diamond Bur
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    $25.64
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  • 5pcs 3mm Shaft Drum Shape Sintered Diamond Bur-H011
    Drum Shape Sintered Diamond Bur
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    $25.64
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  • 5pcs 3.0mm Shaft Round Ball Shape Sintered Diamond Bur-H012
    Ball Shape Sintered Diamond Bur
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    $25.64
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    $25.64
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  • 16mm 5pcs Round End Cylinder Sintered Diamond Burs
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    $16.24
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    $16.24
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    $21.37
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  • 14mm 5pcs Round End Cylinder Sintered Diamond Burs
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    $16.24
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    $16.24
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    $21.37
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  • 12mm 5pcs Round End Cylinder Sintered Diamond Burs
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    $15.38
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    $15.38
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    $21.37
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  • 10mm 5pcs Round End Cylinder Sintered Diamond Burs
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    $13.68
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    $13.68
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    $21.37
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  • 8mm 5pcs Round End Cylinder Sintered Diamond Burs
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    $12.82
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    $12.82
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    $21.37
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  • 6mm 5pcs Round End Cylinder Sintered Diamond Burs
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    $11.11
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    $11.11
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    $21.37
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  • 20mm 5pcs Round Ball Shape Sintered Diamond Carving Bur
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    $15.38
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    $15.38
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    $21.37
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  • 10pcs 90mm Length 50x7mm Sintered Diamond File Bur
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    $17.09
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    $17.09
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    $25.64
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  • 10pcs 75mm Length 30x8mm Sintered Diamond File Bur
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    $12.82
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    $12.82
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    $25.64
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  • 10pcs 80mm Length 38x7mm Sintered Diamond File Bur
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    $14.53
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    $14.53
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    $25.64
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