Grobet American Pattern Files - Half-Round

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In addition to being widely used by machinists, this type of file is also popular in foundries where castings must be finished by filing. Rounded with approximately a third of a round on one side and double cut flat on the other. The round side is double cut as well except on all smooth and 4" and 6" second cut, which are single cut. 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

Half-Round

Length of Cut Width x Thickness (in) Cut Item #
6" 19/32" x 5/32" Bastard 770-0667
Second 770-0668
Smooth 770-0669
8" 3/4" x 7/32" Bastard 770-0867
Second 770-0868
Smooth 770-0869
10" 15/16" x 9/32" Bastard 770-1067
Second 770-1068
Smooth 770-1069
12" 1-1/8" x 11/32" Bastard 770-1267
Second 770-1268
Smooth 770-1269

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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