Reply by Arminius

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Posted on What is" American Pattern File"?

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304 posts in 3767 days

#1 posted 12-11-2012 04:44 PM

There are two schemes or standards for categorizing files and the coarse/fine grades, Swiss pattern and American pattern. Swiss pattern are also longer and thinner, come in more gradations, and the standard requires higher tolerances.

That does not mean that old American-made Nicholsons are not good files, btw. For modern choices, the Swiss-pattern Grobets are far better than anything Nicholson makes now.

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