Crescent Nicholson Round Chainsaw File 8 In. x 3/16 In.
NICHOLSON round chainsaw files are used to sharpen the teeth on chainsaws. Follow saw manufacturer’s specifications. They are American pattern and round in shape. The T01765 is 8 In. x 3/16 In. diameter and is knurl cut.
American pattern round chainsaw file
Tighten tension on chain to firmly support cutters when filing
File from inside to outside of cutter
Place file against beveled cutting surface of teeth 20° to 45° with saw
Follow saw manufacturers’ specifications
Sharpen all left hand cutters on one side of chain
Then move to the other side and file all the right hand cutters
Check depth gauge height every 2 or 3 sharpenings
Height between cutting teeth and depth gauge is between .020 In. to .030 In.