But if it has a pitch of 5.5mm (7/32”) you have to use a round file.

How to sharpen a chainsaw blade with a round file. To use a round file to sharpen your chain saw’s blade, start by removing any rust or dirt from its surface with an emery board or sandpaper. Sharpening can be done manually using a round file with a working diameter of 4 5.5 mm. Loosen the set screws on the file guide and slide the file under the two metal.

It is extremely important to position the tool correctly in relation to the tooth being. Make sure the gauge touches the chain. If your chain has a chipper cutter, you will need a round file.

I use a 7/32 file for this but for picco chain i use 5/32 and for 404 chain i use. These are a round file, file guide, a flat file, and a depth gauge. Then place the file at an angle to cut.

Just like when you try to sharpen your chainsaw blade with a hand file, a chainsaw sharpener also requires some prep work beforehand. Count how many stokes you. Position the file at an angle of 30 degrees and file horizontally versus (relative) to the blade.

Chainsaw sharpening angle chart step 3: Make sure to not push down. I use round file chain on my limbing saws like this husqvarna 545.

The pressure on the file is towards the rear (of the file). If not then the chain will be sharpened unevenly and the cutting process is going to get tough. A round file is a tool used to sharpen saw chain cutters.