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DFARS Specialty Metals
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Export Control Classification Number (ECCN)
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Rate of Taper
Minimum Hardness
Specifications Met
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Shape
Mounting Screw Size
Mount Type
For Machine Table T-Slot Width
Hardness
Screw Size
Tapered Gib Keys
These keys have a tapered body that wedges in to the keyway for a more secure fit than standard machine keys. The gib head makes these keys easy to remove when parts need to be taken apart frequently, such as for maintenance or prototyping. Keys are tapered along their length. Use them to connect gears and other components with tapered keyways to shafts. Keys are made of steel.
The height of inch keys decreases by 1/8" for every 12" of length. They conform to ANSI B17.1 Class 1 standards for dimensions and tolerances.
Tolerance | Head | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Ht. | Wd. | Ht. | Lg. | End Ht. | Rate of Taper | Specifications Met | Each | |
1018-1045 Carbon Steel | |||||||||
7/8" × 7/8" | |||||||||
| 4" | -0.004" to 0.000" | -0.004" to 0.000" | 1 1/4" | 1" | 0.842" | 1/8" per 12" | ANSI B17.1 Class 1 | 000000000 | 000000 |
| 5 1/2" | -0.004" to 0.000" | -0.004" to 0.000" | 1 1/4" | 1" | 0.827" | 1/8" per 12" | ANSI B17.1 Class 1 | 000000000 | 00000 |
| 6" | -0.004" to 0.000" | -0.004" to 0.000" | 1 1/4" | 1" | 0.822" | 1/8" per 12" | ANSI B17.1 Class 1 | 000000000 | 00000 |
Fixture Keys
Rectangular
Sized to fit with precision in machine table T-slots, use these keys to locate fixtures and vises on your machine table. They mount to the underside of your fixture or vise with a socket head cap screw.
Inch
| For Machine Table T-Slot Wd. | Lg. | Wd. | Ht. | Wd. Tolerance | For Mounting Screw Size  | Mounting Fasteners Included | Material | Each | |
Rectangular | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 7/8" | 1 1/4" | 7/8" | 3/4" | -0.0005" to 0" | 5/16" | No | Steel | 0000000 | 000000 |