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Rotary Switch Knobs

Rotary switch knobs are control knobs that fit various types of rotary switches, rotary encoders and shafts. They play an important role in making a device easier to control by adjusting levels. The degree of rotation applied to the switch knob corresponds to the desired input.

How do rotary switch knobs work?
Once connected to a switch, rotary switch knobs typically work with a clockwise rotation producing an increased input. They are controlled by hand, with a scale or pointer to help achieve the right setting. Rotary switch knobs often have contoured or ridged sides for grip and ease of use.

Types of rotary switch knobs
Rotary switch knobs come in a selection of shaft diameters, making them suitable for use with a wide range of switches. Most switch knobs are made from polyester or nylon and have a brass insert for a tighter fit with the shaft. Choosing the right switch depends on the application. There are right angle, through-hole mounting and surface mount versions with press-on and set-screw attachments. They are designed with slits or lines to display the current selection on the switch and come in a selection of colours.
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Part Details Brand Stock Accessory Type For Use With Knob Diameter
Hartmann Rotary Switch Knob for use with PT 65 Hartmann 975 Knob PT 65 -
TE Connectivity Rotary Switch Knob for use with 6.35 mm Shafts TE Connectivity 486 Knob 6.35 mm Shafts -
Hartmann Rotary Switch Knob for use with PT 65 Hartmann 420 Knob PT 65 -
Hartmann Rotary Switch Knob for use with PT 65 Hartmann 325 Knob PT 65 -
Hartmann Rotary Switch Knob for use with PT 65 Hartmann 260 Knob PT 65 -
Grayhill Rotary Switch Knob for use with Encoders, Rotary Switch Grayhill 228 Control Knob Encoders, Rotary Switch -
Grayhill Rotary Switch Knob for use with Encoders, Rotary Switch Grayhill 145 Control Knob Encoders, Rotary Switch -
Grayhill Rotary Switch Knob for use with Encoders, Rotary Switch Grayhill 120 Control Knob Encoders, Rotary Switch -
Grayhill Rotary Switch Knob for use with Encoders, Rotary Switch Grayhill 108 Control Knob Encoders, Rotary Switch -
Hartmann Rotary Switch Knob for use with PT 65 Hartmann 90 Knob PT 65 -
APEM Rotary Switch Knob for use with Rotary Switch Apem 75 Knob Rotary Switch -
TE Connectivity Rotary Switch for use with 1/4in → 1/8in Potentiometer Shafts TE Connectivity 70 Shaft Size Adapter 1/4in → 1/8in Potentiometer Shafts -
NKK Switches Rotary Switch Knob for use with FR01 Series Rocker Switch, MR Series Rocker Switch NKK Switches 50 Rotary Switch Knob FR01 Series Rocker Switch, MR Series Rocker Switch -
APEM Rotary Switch Knob for use with Rotary Switch Apem 35 Knob Rotary Switch -
APEM Rotary Switch Knob for use with Rotary Switch Apem 25 Knob Rotary Switch -
Rheostat Knob 23 diam x 21mm Vishay 14 - - 23mm
Rheostat Knob 56 diam x 21mm Vishay 8 - - 56mm
Apem Rotary Switch Knob for use with Rotary Switch Apem 0 Knob Rotary Switch -
Grayhill Rotary Switch Knob for use with Encoders, Rotary Switch Grayhill 0 Control Knob Encoders, Rotary Switch -
Grayhill Rotary Switch Knob for use with Encoders, Rotary Switch Grayhill 0 Control Knob Encoders, Rotary Switch -
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