Sifam 21.5 mm Knob Diameter Black Potentiometer Knob Cap for 6 mm Shaft Axial, C211-BLK
- RS Stock No.:
- 225-984
- Mfr. Part No.:
- C211-BLK
- Brand:
- Sifam
Bulk discount available
Subtotal (1 pack of 10 units)*
£5.17
(exc. VAT)
£6.20
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 1,530 unit(s) ready to ship
- Plus 630 unit(s) ready to ship from another location
- Plus 1,250 unit(s) shipping from 27 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Pack* |
|---|---|---|
| 10 - 40 | £0.517 | £5.17 |
| 50 - 90 | £0.492 | £4.92 |
| 100 - 240 | £0.45 | £4.50 |
| 250 - 490 | £0.418 | £4.18 |
| 500 + | £0.383 | £3.83 |
*price indicative
- RS Stock No.:
- 225-984
- Mfr. Part No.:
- C211-BLK
- Brand:
- Sifam
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Sifam | |
| Product Type | Potentiometer Knob Cap | |
| Shaft Size | 6mm | |
| Knob Diameter | 21.5 mm | |
| Shaft Type | Axial | |
| Indicator Colour | White | |
| Colour | Black | |
| For Use With | Collet/Push-on Knob | |
| Standards/Approvals | RoHS | |
| Material | Nylon | |
| Select all | ||
|---|---|---|
Brand Sifam | ||
Product Type Potentiometer Knob Cap | ||
Shaft Size 6mm | ||
Knob Diameter 21.5 mm | ||
Shaft Type Axial | ||
Indicator Colour White | ||
Colour Black | ||
For Use With Collet/Push-on Knob | ||
Standards/Approvals RoHS | ||
Material Nylon | ||
- COO (Country of Origin):
- CN

Caps and Pointers
Available for all sizes of collect knobs and are in several different types and colours
Collet Knobs
Note
A comprehensive range of collet knobs and accessories combining excellent styling with good functional features with a simplicity of assembly.
All collet knob bodies, caps and nut covers are manufactured in nylon with a finely textured matt finish. Collets, housing and nuts are fitted into the knobs during manufacture, made of brass and will accommodate a wide range of shaft lengths and diameters.
Knobs and caps are available separately to allow maximum choice and fixing keys are also available to allow speedy knob fixing.
All collet knob bodies, caps and nut covers are manufactured in nylon with a finely textured matt finish. Collets, housing and nuts are fitted into the knobs during manufacture, made of brass and will accommodate a wide range of shaft lengths and diameters.
Knobs and caps are available separately to allow maximum choice and fixing keys are also available to allow speedy knob fixing.
Related links
- Sifam 21.5mm Black Potentiometer Knob Cap, C210-BLK
- Sifam 21.5mm Black Potentiometer Knob for 6mm Shaft Splined, S210006-BLK
- Sifam 21.5mm Various Potentiometer Knob Cap, C211 CHROME
- Sifam 21.5mm Grey Potentiometer Knob Cap, C211-GRY
- Sifam 21.5mm Blue Potentiometer Knob Cap, C211 BLUE
- Sifam 21.5mm Red Potentiometer Knob Cap, C211-RED
- Sifam 21.5mm Black Potentiometer Knob for 6.35mm Shaft Splined, S211 250BK
- Sifam 21.5mm Black Potentiometer Knob for 6mm Shaft Splined, S211 006BK


