RS PRO 21mm Black, Grey Potentiometer Knob for 6.35mm Shaft Splined

View all Potentiometer Knobs
Bulk discount available

Subtotal (1 pack of 5 units)*

£9.85

(exc. VAT)

£11.80

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 1,570 unit(s) ready to ship
  • Plus 205 unit(s) ready to ship from another location
  • Plus 1,000 unit(s) shipping from 24 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Pack*
5 - 20£1.97£9.85
25 - 45£1.874£9.37
50 - 95£1.714£8.57
100 - 195£1.598£7.99
200 +£1.458£7.29

*price indicative

RS Stock No.:
259-6985
Distrelec Article No.:
304-24-553
Brand:
RS PRO
Find similar products by selecting one or more attributes.
Select all

Brand

RS PRO

Shaft Size

6.35mm

Knob Diameter

21mm

Shaft Type

Circular

Knob Height

17mm

Body Colour

Black, Grey

Indicator Colour

White

For Use With

Potentiometer

Material

Plastic

Knob Type

Grub Screw

COO (Country of Origin):
TW

RS PRO Grub-Screw Knobs with Fitted Caps


This Grub-Screw Knob Potentiometer from our own RS PRO brand is designed to be used for professional equipment to control electrical devices such as volume controls on audio equipment.

Features and Benefits


• Available in a variety of shaft sizes and materials
• Available in diameters from 11.6mm to 28mm, with red, black or grey caps

RS PRO


RS PRO is our own brand range and brings you a wide range of high-quality products offering you more choice. Trusted by engineers all over the world, every part of every RS PRO product has been rigorously tested against demanding industry standards; they’re only given the RS PRO seal of approval if we’re confident of their exceptional quality.

Related links