It is used in combination with the scraping processing for precision machine assembly.
On 2014-05-09 19:11:30
From the file file, when looking at the lines of both sides it was warped extremely (about 3 mm). If I thought that American Nicholson will arrive then all five were Brazilian Nicholson! 150 fine details etc. The surface accuracy was bad and poor.
It is used for the part that fits into the spindle of the machine tool
On 2013-12-09 00:03:58
Nicholson file is good anyway and there is no problem even if using carburized parts with hardened parts It is not a problem even with tempered material of S45C material or long term use It is hard to hear it A really nice file is