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August 11, 2025
These are perfect for cleaning hard to reach stuff at work. I was warned by the old timers at work that these long shafts need to be put under a lot of load (pressed onto surface to be cleaned) otherwise they bend. I took head and it worked, but when I put it under mild load, it bent. To fix this on pneumatic die grinders, get an inline regulator and run about 20% duty, and mark where you can run it without bending (i use the cheap brass ones, but they leak air, so put it on the opposite end of the hose, or be like me an have a face full of cold air all day) and for electric grinders, a guy at work told me they sell cheap variacs at Harbor Freight. When they get bent or the wires get worn to a point, cut them short so you can use them at high rpm, but reach will be reduced, so save these for easy to reach work. Never used anything but a cheap Milwaukee drill driver, but would go through three batteries twice just to finish one job, so get an electric one with a cord and high rpm.
DantheMan
July 27, 2025
Around 3-4k rpm it removed rust from a hard to reach area in order to replace an oil seal. Would recommend to anyone.
Andy M,
June 15, 2025
These are long and the shanks are 3mm (less than 1/8 inch). The very small size of the brush is good for tight areas. These are not a good choice for general use, but when you need to get into a very tight little space, these are perfect.The long shanks will bend easily when chucked in a drill. I almost never use these at full length; better to cut the shank down to the size you need. If you do use them at full-length, go slow.
James Glenn
May 31, 2025
Using item seem to work as okay as time goes along the information my improve.
W. Ruffner
May 4, 2025
Used these successfully with a Dremel to clean inside something I had no other way to do well. No complaints, did the job well.
Daniel Walter II
May 2, 2025
Apparently not weighted correctly or not straight because they wobble pretty bad during use. If that's not a problem then I guess they do what they're supposed to otherwise
Victor H
March 18, 2025
I used these to clean off rust on evaporator coil tubes and they worked like a champ. Great for getting into tight spaces and powered them with my Dremel.
Gary E.
February 13, 2025
Exactly what I needed to clean the flaking paint off my Harley heads they were very well however do not run at high speed without them making contact they will bend
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