4mm Shaft Top Hat Control Knob With Collet Fixing
4mm Shaft Top Hat Control Knob With Collet Fixing
| Quantity | Unit Price |
|---|---|
| 1+ | £0.65 |
| 5+ | £0.52 |
| 10+ | £0.455 |
| 20+ | £0.39 |
| 50+ | £0.325 |
| 100+ | £0.26 |
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Fitting
| Knob Type | Rotary |
|---|---|
| Shaft Type | Round |
| Shaft Fixing | Clamp |
| Hole Size | 4mm |
Appearance
| Identity Colour | Black |
|---|---|
| Body Colour | Black |
| Accent Colour | |
| Position Indicator Colour | White |
| Position Indicator Shape | Square |
Measurements
| Minimum Shaft Depth | 3.0mm |
|---|---|
| Maximum Shaft Depth | 7.0mm |
| Body Diameter | 12.1mm |
| Maximum Diameter | 16.8mm |
| Width | mm |
| Length | mm |
| Height | 15.9mm |
| Additional Measurements | |
| Unit Weight | 2.66g |
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:
