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uxcell 10pcs PCB Drill Bits 1/8' Shank 0.55mm Titanium Coated Carbide Micro Twist Mini Drill Bits Set Rotary Drilling Tool for Print Circuit Board Jewelry CNC Engraving

5.0 Write Review
Free shipping on orders over $29.99

$16.79

$ 7 .99 $7.99

In Stock

1.Size:0.45mm


About this item

  • Specification: Cutting edge diameter: 0.55mm; cutting edge length: 8.5mm / 0.33"; shank diameter: 3.175mm / 1/8"; overall length: 38mm / 1-1/2"; finish: titanium coating; type: with positioning ring; package included: 10pcs x PCB drill bits with protection box.
  • Solid Carbide: This mini twist drill bit is made of solid carbide, which has the characteristics of high hardness, high strength, strong wear resistance, good corrosion resistance, and excellent thermal stability. These properties allow the drill to maintain consistent cutting capabilities and a long service life—without worrying about breakage or deformation.
  • Titanium Coating: The surface treatment of titanium coating has a low friction coefficient, which can reduce friction and wear during cutting; the tool surface is smooth and has strong anti-adhesion and good self-lubricating properties, which helps to improve the quality of the cutting surface smoothness and machining accuracy, improving cutting quality.
  • Spiral Flute: The tip drill bit adopts a spiral flute design, mirror polishing. It can discharge chips and waste generated by cutting more effectively, reduce cutting resistance and heat accumulation, improve cutting speed and work efficiency, and reduce vibration and noise, maintain the cutting process's stability.
  • High Efficiency: The drill bit has a precision cutting edge to maintain smooth cutting; it is designed with a positioning ring to easily achieve accurate positioning while enhancing the stability and shock resistance of the drill bit; the cutting shank adopts a chamfer design, which has high precision and can reduce installation and debugging time.


Product Description

drill bit

Wide Applications

PCB drill bit is for the precision processing of jewelry, printed circuit boards, plastics, fiberglass, acrylic, wood, soft metals and other materials, suitable for PCB drilling machines, CNC engraving machines and high-precision special drilling equipment.

The drill bit has a precision cutting edge to maintain smooth cutting. The shank adopts a chamfer design, easy to use.

drill bit

Carbide Material

High hardness, high strength, strong wear resistance, good corrosion resistance, and excellent thermal stability. Can maintain consistent cutting capabilities and a long service life.

Spiral Flute Bits

Discharge chips and waste generated by cutting more effectively, improve cutting speed and work efficiency, and reduce vibration and noise, maintain the cutting process's stability.

Titanium Coating

Can reduce friction and wear during cutting and help to improve the quality of the cutting surface smoothness and machining accuracy, improving cutting quality.

  • With sharp cutting edge, milling groove and clean surface.
  • PCB drill bits have good milling and cutting performance.
  • Can work quickly and cleanly, no glitches or scrap left.
  • Designed with a positioning ring to easily achieve accurate positioning.

Tips

The drill bits are too tiny, so it is very fragile for handling. Use vertically and take good control of your CNC speed. The longer the length of the tool clamped by the chuck, the better. If the clamping length is shorter, you need to lower the feed rate and cutting speed to reduce vibration and extend the tool life.

Combined with the material to be processed, select an appropriate feed rate and cutting speed to improve the tool life and obtain better processing accuracy and performance.


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