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SainSmart

SainSmart Genmitsu 10Pcs Nano Blue Coat End Mill CNC Router Bits, 0.8-3mm, 1/8" Shank

  • Based on 3,303 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, May 11
Order within 2 hours and 12 minutes
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Size: 0.8-3mm


Features

  • Cutting Edge Diameter: 0.8 - 3.0mm (0.8/1.0/1.2/1.4/1.6/1.8/2.0/2.2/2.4/3.0mm), 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: Nano Blue Coat


Cutting Diameter: 3 Millimeters


Number of Flutes: 2


Cutting Length: 12 Millimeters


Cutting Diameter: 3 Millimeters


Size Name: 0.8-3mm


Item Dimensions L x W: 1.46"L x 0.13"W


Item Weight: 0.01 Ounces


Brand Name: SainSmart


Global Trade Identification Number: 53


Manufacturer: SainSmart


Finish Types: Nano Blue Coat


Number of Flutes: 2


End Cut Type: Center


Cut Type: Plain End


Tolerance Held: Precision


Helix Angle: 3E+1 Degrees


Number of Cutting Edges: 2


Material Type: Carbide


Shape: Round


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, May 11

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great little corn cobs
Size: 0.8-3mm
The 1/8 cob cut bits are monsters, Love 'em, wish I could buy them in a stand alone pack. I just sit like a cave man and watch them granulate steel. I've always thought that chips were the way to go but these little guys showed my something different. I thought that these were more for wood and such and only grabbed it off my shelf out of desperation but they cut well. I had to feed it a slow cutting speed (.001 or so per sec at 900 rpm) but it worked like a charm on 1045. I chewed one up after about an hour, but I had gotten a little impatient and dinged the very tip up. The flutes kept cutting! The price on these is good, like I said, just wish I could buy the 3mm in multi packs by themselves. ... show more
Reviewed in the United States on February 18, 2026 by Ray J.
    • 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
    • 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
    • Su función
Size: 0.8-3mm
Good product
Reviewed in the United States on April 15, 2026 by Amazon Customer
    • 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
    • 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
    • Love these. I get them all the time
Size: 0.8-3mm
Review Image by 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
    • 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

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