| ANSI Standard Keyways | |||
| Shaft Diameter | Keyway | ||
| Over | To (Incl.) | Width | Depth |
| 1/2 | 9/16 | 1/8 | 1/16 |
| 9/16 | 7/8 | 3/16 | 3/32 |
| 7/8 | 1 1/4 | 1/4 | 1/8 |
| 1 1/4 | 1 3/8 | 5/16 | 5/32 |
| 1 3/8 | 1 3/4 | 3/8 | 3/16 |
| 1 3/4 | 2 1/4 | 1/2 | 1/4 |
| 2 1/4 | 2 3/4 | 5/8 | 5/16 |
| 2 3/4 | 3 1/4 | 3/4 | 3/8 |
| 3 1/4 | 3 3/4 | 7/8 | 7/16 |
| 3 3/4 | 4 1/2 | 1 | 1/2 |
| ANSI Standard Fits for Square, Parallel Keys | ||||||
| Key Width | Width Tolerance | Depth Tolerance | ||||
| Over | To (Incl.) | Key | Shaft Keyseat | Key | Shaft Keyseat | Hub Keyseat |
| -- | 1/2 | +0.000 | +0.002 | +0.000 | +0.000 | +0.010 |
| -- | -- | -0.002 | -0.000 | -0.002 | -0.015 | -0.000 |
| 1/2 | 3/4 | +0.000 | +0.003 | +0.000 | +0.000 | +0.010 |
| -- | -- | -0.002 | -0.000 | -0.002 | -0.015 | -0.000 |
| 3/4 | 1 | +0.000 | +0.003 | +0.000 | +0.000 | +0.010 |
| -- | -- | -0.003 | -0.000 | -0.003 | -0.015 | -0.000 |
TruKey® Home | Tolerances | Material Specifications | Metric | Square Shafting
View Shafting Flyer in PDF Format (195 Kb).
We have full machine shop capabilities and can provide non-standard keyways and turned down ends on most diameters.
For flat wire conveyor belting and sprockets, please visit our corporate web site: www.keystonemfg.com
P.O. Box 270 - 668 Cleveland
Street - Rochester, PA 15074-0270
Phone: (724) 775-2227 - 1-800-446-7205 - Fax: (724) 775-2739 -
Email:sales@trukey.com - Web: www.trukey.com
