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Diamond Finger Milling Bits - 4/5''-1-3/8''(20-35mm) Core Drill Bit for Enlarging Grinding and Shaping Existing Holes in Tile Porcelain Ceramic Marble Granite 5/8''-11 Thread

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$11.50

$ 4 .99 $4.99

In Stock

1.Size:3/8''-1''(10-25mm)


About this item

  • 【Size】Diameter 4/5''-1-3/8''(20-35mm) ; Total length 65mm; Diamond height 50mm; Diamond Grit #50/60; 5/8''-11 Thread
  • 【Application】Desinged to shape grind and enlarge existing holes in Tile Porcelain Ceramic Marble Granite Artificial Stone Quartz
  • 【High Performance】High-quality Diamond Grain and Vacuum Brazed Technology provides much longer working life, high efficiency, durable and sturdy
  • 【Cost-effective】Available in Two Diameters (4/5''(20mm) and 1-3/8''(35mm)) meet the processing needs of different apertures, don't need to buy several different core bits
  • 【Attention】Diamond Finger Milling Bit can not be used to drill holes, but to shape, enlarge and grind existing holes. It fits on 5/8"-11 Thread Angle Grinder. Dry or Wet use. Very easy to operate. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to use electric drill or other machine, you can use SDS or other Adapter



Product Description


C. Cox
Reviewed in the United States on August 19, 2023
My first use was to smooth out some drainage holes I've put in vases converted to planters but I wish I'd had this when I added a dedicated R/O faucet to my ceramic sink! Would have saved me so many headaches.
Customer
Reviewed in the United States on August 17, 2023
Good quality and good idea. I recommend.
JNL
Reviewed in Canada on July 27, 2023
This year I'm doing my pavement and I get the driveway larger. I requested the city to cut the borders, and they did a quick job, leaving the border cut with a straight edge, and the face rough (which was fixed with another diamond disc). The straight edge will surely get damaged by the snow removal equipment. When I saw this bit, it looked perfect for the job, and it is.The abrasion is good, it runs smoothly and is not too intense, allowing to make a smooth, even finish on the border. The diamond coating is good, I'm pretty happy with the job. The bit fit on my grinders, just be aware that while most grinders uses 5/8 thread, some uses different thread size.
kewiki
Reviewed in Canada on July 23, 2023
I have other Focstol bits and am impressed with their build and endurance. This bit did not disappoint!I did a test with the bit and it worked wonderfully without any undue force using my drill with a 5/8 adapter. In terms of durability I expect it will do well like my other Focstol bits but excessive force will reduce its durability. I will do an edit if I discover unexpected wearing.The value of the bit is that you actually get 2 different sizes if you need to shape a hole of 3/8 inch or 1 inch .
Finder
Reviewed in the United States on December 17, 2023
This does exactly what it shows in the description and it did work well for me without any chip out. The only reason I'm not giving it 5 stars is that many of these come with a screw in adapter to allow you to use it with a drill instead of having to go grab the grinder and pull the blade of to use it and at this price I would expect it.
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