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Chain identification
The manufacturers listed below stamp an identification number into the drive link on their chains. From this you will be able to identify the pitch and gauge of the chain. Select these from the filters on the left-hand menu, then count the number of drive links and select this also to filter to required chain.
| Pitch | Gauge | Oregon | Carlton | Stihl | Windsor | Husqvarna | Dolmar | Tri-Link |
| 1/4" | 0.050" (1.3mm) | 25 | E1, K1NK |
| 50K | H00 |
|
|
| 0.325 | 0.050" (1.3mm) | 20 | K1C, K1L | 23 | 50J | H22, H23 | 82 | 2B, 7B |
| 0.325 | 0.050" (1.3mm) | 95 |
|
|
| H30, H37 |
|
|
| 0.325 | 0.058" (1.5mm) | 21 | K2 | 25 | 58J | H25, H21, H38 | 083, 686 | 2C, 7C |
| 0.325 | 0.063" (1.6mm) | 22 | K3 | 26 | 63J | H28, H26 |
| 2D, 7D |
| 3/8" | 0.050" (1.3mm) | 72 | A1 | 33R | 50A | H51, H47, H46, H80, H82 | 100 | 3B, 8B |
| 3/8" | 0.058" (1.5mm) | 73 | A2 | 35R | 58A | H42, H48, H49, H52, H54, H81 | 99 | 3C, 8C |
| 3/8" | 0.063" (1.6mm) | 75 | A3 | 36R, 33R | 63A | H44, H45, H53, H50, H83 | 110 | 3D, 8D |
| 3/8" | 0.043" (1.1mm) | 90 | N4 | 61PMN | 43RG |
|
| 1A |
| 3/8" | 0.050" (1.3mm) | 91 | N1 | 63PM | 50R | H35, H36 | 92 | 1B |
| 0.404 | 0.063" (1.6mm) | 59 | B3S | 46RS | 63B | H57, H64, H65 | 103, 108 | 4D |
Chain identification
The manufacturers listed below stamp an identification number into the drive link on their chains. From this you will be able to identify the pitch and gauge of the chain. Select these from the filters on the left-hand menu, then count the number of drive links and select this also to filter to required chain.
| Pitch | Gauge | Oregon | Carlton | Stihl | Windsor | Husqvarna | Dolmar | Tri-Link |
| 1/4" | 0.050" (1.3mm) | 25 | E1, K1NK |
| 50K | H00 |
|
|
| 0.325 | 0.050" (1.3mm) | 20 | K1C, K1L | 23 | 50J | H22, H23 | 82 | 2B, 7B |
| 0.325 | 0.050" (1.3mm) | 95 |
|
|
| H30, H37 |
|
|
| 0.325 | 0.058" (1.5mm) | 21 | K2 | 25 | 58J | H25, H21, H38 | 083, 686 | 2C, 7C |
| 0.325 | 0.063" (1.6mm) | 22 | K3 | 26 | 63J | H28, H26 |
| 2D, 7D |
| 3/8" | 0.050" (1.3mm) | 72 | A1 | 33R | 50A | H51, H47, H46, H80, H82 | 100 | 3B, 8B |
| 3/8" | 0.058" (1.5mm) | 73 | A2 | 35R | 58A | H42, H48, H49, H52, H54, H81 | 99 | 3C, 8C |
| 3/8" | 0.063" (1.6mm) | 75 | A3 | 36R, 33R | 63A | H44, H45, H53, H50, H83 | 110 | 3D, 8D |
| 3/8" | 0.043" (1.1mm) | 90 | N4 | 61PMN | 43RG |
|
| 1A |
| 3/8" | 0.050" (1.3mm) | 91 | N1 | 63PM | 50R | H35, H36 | 92 | 1B |
| 0.404 | 0.063" (1.6mm) | 59 | B3S | 46RS | 63B | H57, H64, H65 | 103, 108 | 4D |