Knobs

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Potentiometer knob with set screw.
Splined shaft on potentiometer.

Knobs fit on controls, e.g. potentiometers or sliders and rotary switches. Splined push on knobs fit splined pot shafts. Pots with with round or D shafts require knobs with plain holes that have set screws to hold them in place. Most spline shaft pots have a slightly smaller diameter shaft than round or D shaft. Usually splines are 6mm while most round ones are 1/4" (6.35mm). So 1/4" setscrew knobs will end up slightly lopsided when tightened onto a 6mm spline shaft. Knobs fastened by a collet require a box spanner to fasten them.[1][2]

References

  1. ^ knurled vs round shaft pots, Muff Wiggler forum, March 2012
  2. ^ Wikipedia: Control knob

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External links

Suppliers