Older saws tend to have a three-eighths chain and tends to be less expensive than its newer cousin. The three-eighths chain's larger teeth make it easier to sharpen as well. A general rule is to use a three-eighths-inch chain for any saw under 40cc. ... 325-inch chain for those saws between 40 and 60 cc.
How do you sharpen a 3/8 chain?
https://www.youtube.com/watch?v=Vb2Vwy9H-fc
How do you measure a 3/8 chain?
The pitch of a chain refers to the distance between its drive links. It is determined by measuring the distance between any three consecutive drive links and dividing by two. Example: 3/4" divided by 2 = 3/8".
What file do I need for a 3/8 chain?
Chain pitch File diameter [mm]
----------- --------------- -------------
3/8P 5/32” 4.0 mm
.325” 6/32” 4.8 mm
3/8” 7/32” (13/64”)* 5.5 (5.2)* mm
.404” 7/32” 5.5 mm
What is the correct file size for 3/8 Stihl chain?
What size file do you use on a 3/8 chainsaw chain?
The 13/64" file size will work just as well to sharpen 3/8" pitch chain being it is only 1/64" difference in size but we sell way more of the 7/32" size to sharpen 3/8" pitch chain then do the 13/64" file size because a 7/32" file is the most common size file used in the chainsaw industry to sharpen standard size 3/8" ...