System of Measurement System of Measurement |
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Material Material |
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Key Type Key Type |
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 | Woodruff |
Minimum Hardness Minimum Hardness |
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For Maximum Keyway Diameter Tolerance For Maximum KeywayDiameter Tolerance |
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For Minimum Keyway Diameter Tolerance For Minimum KeywayDiameter Tolerance |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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High-Profile Woodruff Keys
Side View
Feet prevent these keys from rocking in the keyseat, making it easier to install gears and other components. Woodruff keys work well near shaft shoulders, where a standard open keyway would create too much stress. They are also often used on tapered shafts. Because they're usually shorter than standard machine keys, they work best in light duty applications. Keys are made of steel. Also known as hi-pro keys.
For technical drawings and 3-D models, click on a part number.
Tolerance | ||||||||||
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| Woodruff Key Number | Wd. | Ht. | For Keyway Dia. | Lg. | Wd. | Ht. | Feet Ht. | Pkg. Qty. | Pkg. | |
1018-1045 Carbon Steel | ||||||||||
| 2 | 3/32" | 0.194" | 1/2" | 0.531" | 0.000" to 0.001" | 0.000" to 0.006" | 0.042" | 5 | 000000000 | 00000 |
| 3 | 1/8" | 0.194" | 1/2" | 0.531" | 0.000" to 0.001" | 0.000" to 0.006" | 0.056" | 5 | 000000000 | 0000 |
| 5 | 1/8" | 0.24" | 5/8" | 0.656" | 0.000" to 0.001" | 0.000" to 0.006" | 0.056" | 5 | 000000000 | 0000 |
| 6 | 5/32" | 0.24" | 5/8" | 0.656" | 0.000" to 0.001" | 0.000" to 0.006" | 0.071" | 5 | 000000000 | 0000 |
| 7 | 1/8" | 0.303" | 3/4" | 0.781" | 0.000" to 0.001" | 0.000" to 0.006" | 0.057" | 5 | 000000000 | 0000 |
| 9 | 3/16" | 0.303" | 3/4" | 0.781" | 0.000" to 0.001" | 0.000" to 0.006" | 0.057" | 5 | 000000000 | 0000 |
| 11 | 3/16" | 0.365" | 7/8" | 0.938" | 0.000" to 0.001" | 0.000" to 0.006" | 0.086" | 5 | 000000000 | 0000 |
| 15 | 1/4" | 0.428" | 1" | 1.063" | 0.000" to 0.001" | 0.000" to 0.006" | 0.115" | 5 | 000000000 | 00000 |
| 61 | 3/16" | 0.24" | 5/8" | 0.656" | 0.000" to 0.001" | 0.000" to 0.006" | 0.086" | 5 | 000000000 | 0000 |
| A | 1/4" | 0.365" | 7/8" | 0.938" | 0.000" to 0.001" | 0.000" to 0.006" | 0.114" | 5 | 000000000 | 0000 |