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20 Pcs Micro Drill Bit Set Micro Drill Bits Tungsten Steel PCB Print Circuit Board Flute CNC Router Bits Shank for Rough Stone Jewelry Punching Engraving (0.1-1.0 mm)

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$6.99

$ 2 .99 $2.99

In Stock

About this item

  • 【Premium Material】The micro drill bit set is made of high-quality tungsten steel, with high wear resistance, high hardness, not easy to bend, and has good milling and cutting performance.
  • 【High-precision Cutting Edge】The micro drill bit adopts a nano-scale spiral cutting edge, which reduces the cutting force, prevents the drill from breaking, and improves the machining accuracy.
  • 【0.1-1.0mm Multiple Sizes】This PCB drill bit set contains 10 different sizes: 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, different sizes to meet different needs.
  • 【Easy to Use】Micro 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 Application】These tungsten carbide drill bits are ideal for drilling holes in printed circuit boards, CNC engraving plexiglass, amber beeswax, bakelite, jewelry, plastic and other precision drilling.


Quality Service

Your satisfaction is our greatest concern. If you have any questions or dissatisfaction with the product, please feel free to contact us and we will provide you with the best solution.


Specification

Product name: 20pcs micro drill bit set

Color: mixed color

Material: tungsten steel

Size: see picture

Net weight: 74g

Gross weight: 76g

Packing method: bag

Packing size: 20x12x1cm


Packing List

20pcs micro drill bits 0.1-1.0mm


William Orcutt
2025-09-06 13:19:27
I really like the sizes for my purpose.When drilling holes in acrylic, must be careful and slow. Small bits break easily with hard material.
TJA
2025-08-26 11:37:18
Like I said. They break very easily. Ive been using for plastic model car builds and it doesn't take much for the bit to snap. That leaves the broke bit in the piece you were drilling. Big problem. I wouldn't recommend these. Saw a guy on YouTube using them so they looked ok. There are other alternatives out that that are better. I bought a pin vise drill. Much better results.
Bill M.
2025-06-05 13:50:14
Most of mine broke, very cheap.
Nicole Mullinax Grant
2025-05-23 10:35:25
They break very easy. Almost every bit has broke in half.
Deborah Brown
2025-04-29 09:34:18
i bought an engraver that came with these bits. i need more but couldn’t find them. until i saw them here.perfect
Johnny Rigger
2025-04-13 16:10:21
Got to hold your mouth right so these don't break.
joe
2025-02-20 12:27:37
Bits break as soon as they touch anything
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