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SainSmart

SainSmart Genmitsu 10Pcs Nano Blue Coat End Mill CNC Router Bits, 1.5-3.175mm, 1/8" Shank

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Size: 1.5-3.175mm


Features

  • Cutting Edge Diameter: 1.5-3.175mm (1.5/1.6/1.7/1.8/2.0/2.2/2.4/2.5/3.0/3.175mm), 10Pcs.
  • Hard Steel: With sufficient flexural strength and wear resistance, which ensure high work efficiency.
  • Material: Using ultra-fine grained carbide material, with good milling and cutting performance.
  • Advantage: Sharp cutting edge, milling, hole and plate edge, clean surface, neat, no glitches.
  • Application: PCB, SMT, CNC, Mold, plastic fiber, carbon fiber, hard wood, printed circuit board, and other precision parts processing.

Material: Carbide


Cutting Length: 12 Millimeters


Finish Type: TiSiN


Cutting Diameter: 3.18 Millimeters


Number of Flutes: 2


Material: ‎Carbide


Cutting Length: ‎12 Millimeters


Finish Type: ‎TiSiN


Cutting Diameter: ‎3.18 Millimeters


Number of Flutes: ‎2


Size: ‎1.5-3.175mm


End Cut Type: ‎Square End


Cut Type: ‎Plain End


Brand: ‎SainSmart


Shape: ‎Round


Product Dimensions: ‎1.46"L x 1.46"W


Tolerance Held: ‎0.001 inches


Number of Cutting Edges: ‎2


Manufacturer: ‎SainSmart


Item Weight: ‎1.76 ounces


Date First Available: ‎February 28, 2019


Frequently asked questions

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Top Amazon Reviews

    • Very tough and sharp.
Size: 1.5-3.175mm
I have used these to cut wood, plastic, aluminum, hardened steel, and stainless steel. So far they have worked very well and are still sharp as new. Haven’t burned up any of them yet. I like ‘em!!
Reviewed in the United States on January 9, 2026 by mr johnson
    • GoodBits.
Size: 0.8-3mm
CNC bits great I use them to cut plastic/epoxy resin. Good bits.
Reviewed in the United States on May 31, 2025 by Calvin D. Ostrom
    • Update, to 4 stars
Size: 0.8-3mm
The smaller bits are not very durable. Seem to be brittle and prone to breakage. I thought at first it was just me pushing it to fast but reducing the the speed did not help. Update, Customer support supplied me with replacement bits and these are working much better.
Reviewed in the United States on February 7, 2024 by Mr. T
    • Affordable and effective
Size: 0.8-3mm
So far these have worked great for cutting wood. Just be sure to get your feeds and speeds right. Run them too fast and you break them, run them too slow and you create friction which heats them up until the either break our wear out very fast. Even the most expensive endmills in the world can be destroyed by operator error. I got good results cutting hardwood with the 1.4mm bit using SFM: 141, chipload of .005, and a depth of cut of .0157 (4mm). I would not probably not recommend cutting metal with these, but I have not tried it yet. ... show more
Reviewed in the United States on August 16, 2019 by Cable Master
    • Love these. I get them all the time
Size: 0.8-3mm
Review Image by tessa tessa
I love these bits. I use them in a hannd held carver to cut and design my gourds. Perfect clean cuts every time!
Reviewed in the United States on November 6, 2025 by tessa tessa
    • Smaller bits are not durable
Size: 0.8-3mm
small bits lasted 1 pass then broke. I was even cutting MDF. I adjusted my feed rates and pass depths accordingly for the small bits. The larger bits do cut, but i feel they do not cut as cleanly as a standard spiral up or down bit. Price is cheap, so i gave them a shot, but i wont purchase these bits again and i have put them aside for now. ... show more
Reviewed in the United States on October 15, 2020 by Ole Nobby Reclaiming
    • Great cnc bits
Size: 0.8-3mm
Very pleased with this, for my cnc and they work great , cut great
Reviewed in the United States on January 25, 2025 by LaVern M
    • Actual dimensions are all over the place.
Size: 1.5-3.175mm
The largest is in fact very close to 3.175mm, and the smallest close to 1.5mm, but other than that they seem to be placed at random sizes, nowhere close to representing the dimensions shown in the photo. I also got two identical 2.4mm bits, which is not a huge deal for me, but I was consider using the 2.2mm for something and I didn't get one. So they're cheap and good for things that don't require a specific width dimension. ... show more
Reviewed in the United States on September 9, 2022 by JSC

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