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Feather Keys

Feather Keys are shaft keys that transmit torque from a shaft to a driven component. The design is similar to parallel keys, except these shaft keys have radiused ends. The mating slot in the shaft is machined with an end mill that matches the radius of the feather key design. Once installed, feather keys are contained in the machined pocket and cannot move axially and thus preventing fall out or damage in your machine.

Ondrives.US offers steel and stainless steel feather keys in inch and metric sizes. Our feather keys have the same torque capacity as square or rectangular keys and do not require set screws to hold the key in position. Another benefit of this shaft key design is quick, hassle-free field replacement. Read our Feather Keys White Paper to learn more about the advantages of this shaft key design.

The Ondrives.US Advantage: Feather keys are better than other keys

Improve mechanical performance with shaft keys and components are designed for high precision applications. Our inch and metric feather keys offer several advantages, including:
  • Ease of assembly
  • Stays in place, cannot slip out
  • Quick, hassle-free field replacement
  • No set screw to tighten
  • Use with existing components
  • Stainless steel and steel feather keys
  • Same torque as similar sized square and rectangular keys
  • Pre-cut to exact lengths
  • Hassle-free assembly and disassembly

Submit An RFQ for Steel and Stainless Steel Feather Keys

Submit an RFQ for shaft keys in the size and material you need, or contact us to discuss modified or custom feather key options. Our in-house engineers can help you determine the best shaft key size and material for your application. Complete your order with our Precision Ground Shafts, available from stock.