I can't seem to find the 13/64" size Dremel sharpening bits, the diamond ones. Stihl sells the non-diamond ones for there "portable" sharpener which also fit the Drexel, but does anyone make diamond bits this size?
Stihl Recommends 13/64, but 7/32" can be used. 7/32" is the industry standard for 3/8" chain. Stihl has there own sizing, but lots of users use 7/32" everyday and get good results.
I use 7/32" on my 3/8" chains, but as the tooth gets smaller, I drop down to 5/32". Keeps the aggressiveness.
That's a big drop. 5/32 is the recommended file size for low-pro/Picco chain. 3/16" is .325, and that wouldn't be crazy for a 3/8" chain near the end of its life.
Yes, so why wouldn't they just make it the same size as all the rest?? Drives me nuts when "standards" aren't followed....