RS PRO 14.7mm Black Potentiometer Knob for 3.2mm Shaft Screw Fix

RS Stock No.:

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 4638520
Product description RS PRO 14.7mm Black Potentiometer Knob for 3.2mm Shaft Screw Fix
Manufacturer / Brand RS PRO

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 4638520
Product description RS PRO 14.7mm Black Potentiometer Knob for 3.2mm Shaft Screw Fix
Manufacturer / Brand RS PRO

The foregoing information relates to product sold on, or after, the date shown below.


Date Mar 24, 2023

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: TW

Product Details

Collet Knobs


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.

Collet knobs

RS PRO Gloss Finish Collet Knobs

These collet knobs from our own RS PRO brand are both robust and practical as well as sporting a distinctive aesthetic. The brass bushings provide a secure and durable connection and the high-quality plastic knob features a gloss finish.

Available for Ø 6.4, 6.0 and 3.2 mm shaft sizes.

A professional kit for construction of many different special buttons with clear colour markings.

Features and Benefits

• Resists shock, vibration, or accidental movement
• No special mounting hardware or tools required
• Made of highest quality materials
• Occupies minimum panel space


There are many different uses of a potentiometer. The three main applications of a potentiometer are:

• Comparing the emf of a battery cell with a standard cell
• Measuring the internal resistance of a battery cell
• Measuring the voltage across a branch of a circuit

How does potentiometer work?

Most potentiometer knobs are simply fixed on manually with a simple push by fitting it to the shaft. They either have a knob, screw, grub, or slider as a fixture that is used as a control element to vary the resistance between the middle terminal and either one of the outer terminals for the potentiometer.


RS PRO is our own brand range and brings you a wide range of high-quality, great value 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, which means you can be confident too.


Attribute Value
Brand RS PRO
Knob Height 16.2 mm
Shaft Type Screw Fix
Shaft Size 3.2 mm
Knob Diameter 14.7 mm
Knob Type Collet
Body Colour Black
For Use With Potentiometer
Material Plastic
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