Description
The Nicholson round chainsaw sharpening files are American Pattern with a knurled tooth for smooth filing. Files are supplied without handles.Handles are sold separately. 6″ files use Type A handles. 8″ files use Type C handles.
Use the chart below as a general guide to select the file you need. Check your owner’s manual or chain manufacturer to be sure of the correct file for your chain.
| Length | Diameter | Nicholson # | Chain Pitch |
|---|---|---|---|
| 6″ | 1/8″ | 01630 | 1/4″ Picco |
| 6″ | 5/32″ | 01590 | 1/4″, .370″, 3/8″ Picco |
| 8″ | 1/4″ | 01974 | 1/2″ |





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