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Solid Aluminium Control Knob With Blue Ring

Solid Aluminium Control Knob With Blue Ring

A solid aluminium control knob featuring a blue ring on the top face and a strong grip surface on the edge.
Colour
Quantity Unit Price
1+ £5.05
2+ £4.04
5+ £3.7875
10+ £3.535
20+ £3.4845
50+ £3.3835
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Fitting

Knob TypeRotary
Shaft TypeRound
Shaft FixingGrub Screw
Hole Size6mm

Appearance

Identity ColourBlack
Body ColourBlack
Accent ColourBlue
Position Indicator ColourBlue
Position Indicator ShapeLine

Measurements

Minimum Shaft Depth6.0mm
Maximum Shaft Depth15.0mm
Body Diameter20.0mm
Maximum Diameter20.0mm
Widthmm
Lengthmm
Height17.0mm
Additional Measurements
Unit Weight11.69g
Solid Aluminium Control Knob With Blue Ring

Hole Type

Round Hole

A knob designed for a round shaft has a smooth, cylindrical hole that matches the shaft's shape. This type of hole allows the knob to slide easily onto the shaft, relying on a grub screw / set screw or friction to keep it in place. This design is widely used in audio equipment, consumer electronics, and control panels due to its simplicity and versatility

A knob with a round hole can typically also be used on a D type shaft in the 180° position (where the position indicator is opposite to the flat of the D) and can often also be mouned to splined shafts in low torque applications.

A View from the underside of the knob when fitting a round hole knob to a D shaft, showing the grub screw position relative to the position indicator:

Measuring Rotary Knobs

Read more about measuring rotary knobs here.