Standard Keyway Size Chart
We carry a wide range of products with keyways, including bushings, keyed shaft, and roller chain sprockets.
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Keyway Size Chart in Inches
| Shaft Diameter | Keyway Width x Depth |
| ½” | ⅛ x 1/16 |
| ⅝” | 3/16 x 3/32 |
| 11/16” | 3/16 x 3/32 |
| ¾” | 3/16 x 3/32 |
| ⅞” | 3/16 x 3/32 |
| 15/16” | ¼ x ⅛ |
| 1” | ¼ x ⅛ |
| 1 – 1/16” | ¼ x ⅛ |
| 1 – ⅛” | ¼ x ⅛ |
| 1 – 3/16” | ¼ x ⅛ |
| 1 – ¼” | ¼ x ⅛ |
| 1 – 5/16” | 5/16 x 5/32 |
| 1 – ⅜” | 5/16 x 5/32 |
| 1 – 7/16” | ⅜ x 3/16 |
| 1 – ½” | ⅜ x 3/16 |
| 1 – 5/8” | ⅜ x 3/16 |
| 1 – 11/16” | ⅜ x 3/16 |
| 1 – ¾” | ⅜ x 3/16 |
| 1 – ⅞” | ½ x ¼ |
| 1 – 15/16” | ½ x ¼ |
| 2” | ½ x ¼ |
| 2 – 3/16” | ½ x ¼ |
| 2 – 7/16” | ⅝ x 5/16 |
| 2 – ½” | ⅝ x 5/16 |
| 2 – 15/16” | ¾ x ⅜ |
