Chainsaw chain file size chart
The round file size depends on the chain type, which is the letter in Oregon's chain code. Find your code letter below.
| Letter | Type | Pitch | Gauge | File | Family | Codes on this site |
|---|---|---|---|---|---|---|
| A | 25AP | 1/4" | .050" | 5/32" | ControlCut | A42 |
| D | 72V | 3/8" | .050" | 7/32" | AdvanceCut | D59 D60 D66 D68 D70 D72 D81 |
| E | 72LPX | 3/8" | .050" | 7/32" | PowerCut | E60 E66 E68 E70 E72 E84 |
| H | 20BPX | .325" | .050" | 3/16" | ControlCut | H66 H67 H72 H73 H78 |
| J | 21BPX | .325" | .058" | 3/16" | ControlCut | J64 J66 J72 J78 |
| L | 22BPX | .325" | .063" | 3/16" | ControlCut | L62 L67 L68 L74 L81 |
| M | 95TXL | .325" | .050" | 3/16" | SpeedCut | M66 M72 M78 M80 |
| R | 90PX | 3/8" LP | .043" | 4.5 mm | AdvanceCut | R28 R33 R34 R40 R44 R45 R50 R52 R55 R56 |
| S | 91PX | 3/8" LP | .050" | 5/32" | AdvanceCut | S33 S34 S39 S40 S44 S45 S48 S49 S50 S52 S53 S54 S55 S56 S57 S58 S59 S60 S62 S63 S64 |
| T | 91VXL | 3/8" LP | .050" | 5/32" | VersaCut | T44 T50 T55 T57 T62 |
Questions people ask
What file size do I need for my chainsaw chain?
It depends on the chain type, which is the letter in the Oregon code on your chain's box or on your saw's page here. Find the letter in the table above.
Does bar length change the file size?
No. The file size depends only on the chain type, not on how long the chain or bar is.