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20 Pcs Micro Drill Bit Set, 0.3-1.2mm Shank Tungsten Carbide Small Drill Bits, Tungsten Steel PCB Print Circuit Board Flute CNC Router Bits Shank for Rough Stone Print Circuit Board Jewelry Engraving

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US$3.71 cheaper than the new price!!

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Product details

Management number 219042260 Release Date 2026/05/03 List Price US$2.48 Model Number 219042260
Category

Specifications:Color: mixed colorsMaterial: tungsten steelSize: as shownPackage includes:20 × PCB engraving drill bitsWarm Tips:Manual measurement, please allow slight errors on size.The colors may exist slight difference due to different screens.

  • 【High Quality Material】The micro drill bit set is made of high-quality tungsten steel, which has high wear resistance, high hardness, and is not easy to bend. The anti-vibration design of the blade makes it stable and reliable during the engraving process, and has good milling and cutting performance.
  • 【High Precision Cutting Edge】The small drill bit set uses a nano-level spiral cutting edge to reduce cutting force, prevent the drill bit from breaking, improve processing accuracy, and have no burrs or debris.
  • 【0.3-1.2mm Multiple Sizes】This PCB drill bit set contains 10 different sizes: 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm, 1.1mm, 1.2mm, different sizes can meet different needs.
  • 【Easy to Use】Mini drill bits are designed with shock-proof design, stable and reliable engraving process, fast and clean work without burr, large chip removal space, low drilling heat, very practical.
  • 【Wide Usage】0.01-0.05 inch micro drill bit is suitable for processing precision drilling of amber beeswax, circuit boards, CNC engraved jewelry, hardware, plastics and so on.
Model 78397fdb-949d-492b-ae0f-1d35ecb43600
Set Name Micro Drill Bit Set
Brand Name CIATBYYJ
Shank Type Straight
Unit Count 20.0 Count
Part Number 634111_1_vCrrVLCK
Point Style Spiral
Finish Types Uncoated
Manufacturer CIATBYYJ
Material Type Tungsten Steel
Item Dimensions 5.91 x 4.33 x 0.39 inches
Tool Flute Type Spiral
Cutting Diameter 1.2 Millimeters
Number of Flutes 2
Number of Pieces 20
Cutting Angle String 118 Degrees
Minimum Bore Diameter 0.3 Millimeters
Surface Recommendation Acrylonitrile Butadiene Styrene, Brass, Copper, Glass, Metal, Plastic

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