System of Measurement System of Measurement |
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Width Width |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (DefenseAcquisition Regulations Supplement)  |
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Specifications Met Specifications Met |
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For Keyway Diameter For Keyway Diameter |
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Key Number Key Number | Show |
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Key Number Key Number | Hide |
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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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Feet Height Feet Height |
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Woodruff Keys
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. These keys have a rounded shape that makes them easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. Because they're usually shorter than standard machine keys, they work best in light duty applications. Use them to connect gears and other components to shafts. Also known as half moon keys.
Steel keys offer good strength.
316 stainless steel keys have excellent corrosion resistance, but aren't as strong as steel keys. They may be mildly magnetic.
Inch keys conform to ANSI B17.2 standards for dimensions and tolerances.
For technical drawings and 3-D models, click on a part number.
Tolerance | ||||||||||
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| Key Number | Wd. | For Keyway Dia. | Ht. | Lg. | Wd. | Ht. | Specifications Met | Pkg. Qty. | Pkg. | |
1018-1045 Carbon Steel | ||||||||||
| 61 | 3/16" | 5/8" | 0.24" | 0.612" | 0.000" to 0.001" | -0.006" to 0.000" | ANSI B17.2 | 100 | 000000000 | 000000 |
8630 Alloy Steel | ||||||||||
| 61 | 3/16" | 5/8" | 0.24" | 0.612" | 0.000" to 0.001" | -0.006" to 0.000" | ANSI B17.2 | 50 | 000000000 | 0000 |
316 Stainless Steel | ||||||||||
| 61 | 3/16" | 5/8" | 0.25" | 0.612" | 0.000" to 0.001" | -0.005" to 0.000" | ANSI B17.2 | 5 | 000000000 | 00000 |
High-Profile Woodruff Keys
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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| Key Number | Wd. | Ht. | For Keyway Dia. | Lg. | Wd. | Ht. | Feet Ht. | Pkg. Qty. | Pkg. | |
1018-1045 Carbon Steel | ||||||||||
| 61 | 3/16" | 0.24" | 5/8" | 0.656" | 0.000" to 0.001" | 0.000" to 0.006" | 0.086" | 5 | 000000000 | 00000 |