10pcs/set 3.1mm-5.0mm Carbide PCB Drill Bit Set


SKU: DB01-3.1-4.0/DB01-4.1-5.0 Categories: , Tags: , , , , , ,



  • Material: Tungsten Carbide
  • Shank Dia: 3.175mm(1/8”)
  • Overall Length: 38mm
  • Available sizes :
    • 3.1mm     10pcs/set            3.175mm     10pcs/set
    • 3.2mm    10pcs/set            3.3mm         10pcs/set
    • 3.4mm    10pcs/set            3.5mm         10pcs/set
    • 3.6mm    10pcs/set            3.7mm         10pcs/set
    • 3.8mm    10pcs/set            3.9mm         10pcs/set
    • 4.0mm    10pcs/set            4.1mm         10pcs/set
    • 4.2mm    10pcs/set            4.3mm         10pcs/set
    • 4.4mm    10pcs/set            4.5mm         10pcs/set
    • 4.6mm    10pcs/set            4.7mm         10pcs/set
    • 4.8mm    10pcs/set            4.9mm         10pcs/set
    • 5.0mm    10pcs/set
    • 3.1mm-4.0mm      10pcs/set
    • 4.1mm-5.0mm      10pcs/set



  • Suitable for processing PCB, normal FR-4, CEM-3 boards, environmental protection board, SMT, CNC, molds, plastic,Circuit board, carbon fiber, composite board, and so on.


  • 1. Precision machining by high accurate equipment;
  • 2. With good milling and cutting performance, ensuring high efficiency;
  • 3. High hardness, wear resistance, and intensity; anti-bending;
  • 4. To removing chips, with big space and small resistance; Smooth chip removal, less heating value, to reduce pollution;
  • 5. Sharp cutting edge, reduce cutting force, lower breaking rate and improve the quality of hole wall;
  • 6. Symmetrical cutting blade, help to high effective cutting, avoiding drilling offset.

Note:Due to the difference between different monitors, the picture may not reflect the actual color of the item.


Package Including:

  • 10pcs PCB Drill Bit Set

More sizes please click below:


Please note: We sell to businesses for bulk order quantity please contact sales@bulkman3d.com for special distribution pricing.


Additional information

Weight 1.2 kg
Dimensions 15 × 10 × 2 cm

3.1mm-4.0mm 10pcs/set, 4.1mm-5.0mm 10pcs/set, 3.1mm 10pcs/set, 3.175mm 10pcs/set, 3.2mm 10pcs/set, 3.3mm 10pcs/set, 3.4mm 10pcs/set, 3.5mm 10pcs/set, 3.6mm 10pcs/set, 3.7mm 10pcs/set, 3.8mm 10pcs/set, 3.9mm 10pcs/set, 4.0mm 10pcs/set, 4.1mm 10pcs/set, 4.2mm 10pcs/set, 4.3mm 10pcs/set, 4.4mm 10pcs/set, 4.5mm 10pcs/set, 4.6mm 10pcs/set, 4.7mm 10pcs/set, 4.8mm 10pcs/set, 4.9mm 10pcs/set, 5.0mm 10pcs/set

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