Gray Bakelite Knob Cap for 6 mm Potentiometer (20 x 16 mm)
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Prices updated: 14 Oct 2026
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About this product
Gray Bakelite knob cap for potentiometer shafts with a bore of about 6 to 6.35 mm. It measures 20 mm in diameter and 16 mm in height, and is listed in gray and gold-tone. Used as a control knob for volume, tuning and other adjustments in electronics and DIY projects.
Specifications
- Diameter
- 20 mm
- Height
- 16 mm
- Bore (aperture)
- 6.35 mm / 6 mm
- Material
- Bakelite
- Color
- Gray, gold tone
- Weight
- 25 g
Frequently asked questions
What shaft size does it fit?
The listed bore is 6 to 6.35 mm, so it suits potentiometer shafts of about 6 mm. Measure your shaft and compare it with the bore before fitting.
What is it used for?
It is a knob cap that fits on a rotary potentiometer shaft to make the control easier to turn and to give a clear grip for adjustments such as volume or tuning.
