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Genmitsu 1/8 Inch Shank 10pcs Carbide Spiral O Flute (Single Flute) End Mill CNC Router Bits, Solid Nano Blue Coat, for Woodworking Cutting Carving Wood Acrylic PVC PCB MDF, OS10A

  • Based on 55 reviews
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Availability: In Stock.
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Arrives Thursday, Mar 12
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Size: 1/8" Shank


Style: O-Flute 10pcs


Features

  • All-in-One Kit: This comprehensive set includes 10 pieces with a 1/8 inch shank size. It offers a variety of cutting diameters from 1.0 - 3.175mm (1.0/1.5/1.5/2.0/2.0/2.5/2.5/3.175/3.175/3.175) and cutting lengths from 4 - 22mm (4/8/12/12/17/12/17/10/15/22), catering to your diverse needs. Unique O Flute Design: Our single flute design is perfect for high-volume material removal.
  • Compared to other flute styles, it provides cleaner cuts and allows for deeper plunges. If youre working primarily with plastic, our O flute bit disperses heat more efficiently, preventing weld back.
  • Extended Service Life: Our end mills feature a nano-blue coating for enhanced hardness. The O-Flute design ensures efficient chip removal, reducing clogging and providing smooth cutting performance. This extends the tool life, making them more durable and wear-resistant than standard end mills.
  • Quality Craftsmanship: Our Spiral O Flute (Single Flute) End Mills are well-made, producing no glitches on the surface and ensuring excellent engraving and milling performance.
  • Versatile Applications: These end mills are perfect for a wide range of applications, including CNC routing, hobbyist projects, sign-making with plastic and non-ferrous materials, high-efficiency milling (HEM), machining mechanical plastics, milling through hard materials, and more.

Material: Carbide


Cutting Length: 22 Millimeters


Finish Type: Nano Blue Coat


Cutting Diameter: 2.5 Millimeters


Number of Flutes: 1


Package Dimensions ‏ : ‎ 3.43 x 2.05 x 0.43 inches; 1.41 ounces


Item model number ‏ : ‎ OS10A


Date First Available ‏ : ‎ October 19, 2023


Manufacturer ‏ : ‎ Genmitsu


Best Sellers Rank: #87,069 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #37 in Spiral Router Bits


#37 in Spiral Router Bits:


Customer Reviews: 4.4 4.4 out of 5 stars 55 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Mar 12

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


  • They worked well with acrylic.
Size: 1/8" Shank Style: O-Flute for Metal Carving 10pcs
I bought these to cut acrylic and they did well for that purpose. I didn't try them on other materials.
Reviewed in the United States on October 3, 2025 by AlwaysConnected

  • works good
Size: 1/8" Shank Style: O-Flute 10pcs
works good for the money
Reviewed in the United States on August 23, 2025 by sound guy

  • Router bits seams to be working good.
Size: 1/8" Shank Style: O-Flute 10pcs
Working as required
Reviewed in the United States on February 17, 2025 by Steven Holbert

  • Durable bits
Size: 1/8" Shank Style: O-Flute 10pcs
I used these to cut thin material like balsa and light-ply for rc aircraft. Since it's a spiral up-cut bit, it tends to lift soft material like balsa up while its cutting it, but not so much for light-ply, so a double-flute straight end mill bit is better for cutting thin balsa sheets. With that said, these work great and are very durable. ... show more
Reviewed in the United States on March 23, 2024 by Carl

  • Will buy again
Size: 1/8" Shank Style: O-Flute 10pcs
These are just great, Work really well in my CNC machine and when i have to touch something up in my dremel. Worth every penny.
Reviewed in the United States on November 10, 2024 by Sharon Mann

  • perfect
Size: 1/8" Shank Style: O-Flute Compression Up & Down 5pcs
as i want
Reviewed in the United States on December 26, 2024 by Khaled alsalem

  • Cut Acrylic with Ease and Accuracy
Size: 1/8" Shank Style: O-Flute 10pcs
The media could not be loaded. This is my review of Genmitsu 1/8 Inch Shank 10pcs Carbide Spiral O Flute (Single Flute) End Mill CNC Router Bits. I ordered these bits to cut acrylic on my CNC for the inserts on music boxes I craft. The bit I used was the 1/8 diameter up cut O-Flute. This bit has a properly sized shank when measured with calipers. It fit the collet and tightened down securely. The bit did not slip in the collet during the cutting operation. I set the spindle speed to 18,000 RPM with a feed rate of 30 IPM and Plunge rate to 20 IPM. This setting produced a decent cut, however, not as clean as I expected from a O-Flute bit, which I was able to easily cleanup with sandpaper (see photos of cut quality). I did not notice any signs of bit stress which would lead to failure. I believe this set would be a decent choice for cutting acrylic and would also process wood, albeit with a different feed and plunge rate. I would rate these bits 4-stars as they work as described and have met my expectations. ... show more
Reviewed in the United States on May 9, 2024 by Customer Review Customer Review

  • Package came with only one bit
Size: 1/8" Shank Style: O-Flute 10pcs
I would love to give a great review of these bits, but unfortunately my package came with one bit included. I'm a little perplexed and frustrated by this.
Reviewed in the United States on July 2, 2024 by Amazon Customer Amazon Customer

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