Grobet American Pattern Files - Three Square

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Triangular in shape with 60° angles. It gradually tapers toward the point and has sharp corners. This double cut file is used to file acute internal angles that cannot be reached with rectangular type files. 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

Three Square

Length of Cut Width (in) Cut Item #
6" 15/32" Bastard 770-0657
Second 770-0658
Smooth 770-0659
8" 5/8" Bastard 770-0857
Second 770-0858
Smooth 770-0859
10" 3/4" Bastard 770-1057
Second 770-1058
Smooth 770-1059

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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