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ISO 2491A Parallel Key, Shaft Key, Round Ended, form A by Material, Finish and Size
Machine Keys, or Parallel keys are made from hardened rod with a machined square or rectangular cross section, and are the most common type of key. They are installed into keyways to transmit torque from shafts to gears and other components. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft.
Search thousands of Metric fasteners by ISO specification, including ISO 2491a Machine Keys, in the FCH Sourcing Network database of first-run, surplus, odd lot, slow-moving and hard to find fasteners.
ISO 2491a Machine Keys by Metric Sizes
Machine Keys are available on the FCH Network with metric diameters that range from M2 to M22, and with metric lengths that range from 2mm to 180mm.
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ISO 2491a Machine Keys by Imperial/ Sizes
Machine Keys are available on the FCH Network with imperial diameters that range from 4 to 4, and with lengths that range from 4 to 4.
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ISO 2491a Machine Keys by Materials
ISO 2491a Machine Keys are available on the FCH Network in materials that range from Steel to 316, 317, A4 Stainless.
ISO 2491a Machine Keys by Coatings/Finishes
ISO 2491a Machine Keys are available on the FCH Network in finishes or coatings that range from Plain to Passivated.