Metric Keyway Size Chart
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Metric Keyway Size Chart
| Shaft Diameter | Keyway Width x Depth |
| 16MM | 5MM x 2.3MM |
| 17MM | 5MM x 2.3MM |
| 18MM | 6MM x 2.8MM |
| 19MM | 6MM x 2.8MM |
| 20MM | 6MM x 2.8MM |
| 22MM | 6MM x 2.8MM |
| 24MM | 8MM x 3.3MM |
| 25MM | 8MM x 3.3MM |
| 28MM | 8MM x 3.3MM |
| 30MM | 8MM x 3.3MM |
| 32MM | 10MM x 3.3MM |
| 35MM | 10MM x 3.3MM |
| 38MM | 10MM x 3.3MM |
| 40MM | 12MM x 3.3MM |
| 42MM | 12MM x 3.3MM |