Grobet American Pattern Files - Round

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Also called a rat-tail file, round files are gradually tapered. Designed for filing concave surfaces having a smaller radius than a half round file and also for enlarging round holes, making a corner radius and creating a scalloped edge. Made in China.

For jobs that do not require the accuracy of Swiss Pattern Precision Files, American Pattern Files will provide the best results. Lengths given are length of cut only, exclusive of tangs.

Grobet American Pattern Files

Round

Length of Cut Diameter (in) Cut Item #
6" 7/32" Bastard 770-0677
Second 770-0678
Smooth 770-0679
8" 5/16" Bastard 770-0877
Second 770-0878
Smooth 770-0879
10" 3/8" Bastard 770-1077
Second 770-1078
Smooth 770-1079
12" 1/2" Bastard 770-1277
Second 770-1278
Smooth 770-1279

The cut of the file refers to how fine its teeth are. They are defined as, from roughest to smoothest: bastard, second, and smooth.

Comparison of Cuts:
American Bastard Cut — is equivalent to — Swiss 00 Cut
American Second Cut — is equivalent to — Swiss 0 Cut
American Smooth Cut — is equivalent to — Swiss 2 Cut
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