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M2 High-speed steel: Diameters from 1 to 16.5mm, Sharp RD16.5-BC1651 90° angled blade
Designed for maximum comfort in your hand, comfortable grip that enables long use without discomfort，Make you love your job more
Old and Stiff
Reviewed in Canada on February 8, 2025
This countersink is crazy sharp.I'm using it on cast acrylic to countersink drilled holes. I've never had anything shave a perfectly smooth bevel like this 3/8" dia cutter. WOW (made in china) but better than buying American .. with silly-talk-tarrifs.
Ron_T
Reviewed in the United States on July 9, 2024
This tool makes a quick job deburring holes in metal or plastic, also works in wood. The day it came in it was used for two different jobs. I have owned a smaller one for years and it is a really nice tool. This one works on holes as large as 5/8" (16.5mm).Ron_T
Peter Grace
Reviewed in the United States on May 31, 2024
I bought this a few months ago but used it for the first time when deburring some through-holes in steel the other day. Worked well. I'd buy again if I needed to.
alpizer1
Reviewed in the United States on February 9, 2024
Pretty flimsy for a deburring toon (cheap plastic body)
John P.
Reviewed in the United States on February 27, 2024
Nice quick job of cleaning up the edges around round holes.
Brainanator
Reviewed in the United States on June 25, 2023
I'll be using this mostly on softer materials, and everything I have tested it on it has worked perfectly. 3D prints (nylon, PLA, PETG) (including CF filaments), Aluminum, and wood have all been counter sunk perfectly. The bit itself is sharp all the way down to the point, so you can even auger out small holes without drilling a pilot if you desire.The handle does feel a bit cheap, but it is providing enough support for countersinking all these soft materials without issue.This is of course for hobby usage, I do not think this is a professional quality tool, and if I were countersinking a lot of holes in mild steel or harder I would probably want a sturdier handle. For a few holes occasionally for hobby use I think this would still work.
Adam Conrad
Reviewed in the United States on June 22, 2023
I love this countersink style of deburring tool for knocking out round holes. It's so much more convenient than trying to spin a regular deburring tool just right to make it work. A simple spin, and no more sharp edges.It has a very nice feeling handle with a locking collar to hold the head in. It looks like it could hold standard deburring blades as well.The rear has a cap that twists off for storage, so it looks to me like a standard handle just for that purpose.Overall a great kit.Highly recommended.
Customer
Reviewed in the United States on October 8, 2023
I like the handle. The cutting head makes chamfering holes in plastic a breeze
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