Knobs

Hand knobs and thumb screws are available in many styles and materials to be used for pushing, pulling, tightening, loosening and as fixed handles. They are widely used in various applications from industrial and construction machinery to lighting and audio visual equipment. The knobs are fitted with either a protruding screw or threaded inserts in a range of thread sizes.


Material
The material can help you to determine the most suitable environment to use the knob in. They are commonly manufactured from:
Plastics
Stainless steel
Aluminium
Zinc

Styles
There are many types of hand knobs available to suit the area and application it is to be used in. Some of the most common styles include:

Star knobs – Their shape allows a good grip to be easily turned by hand. They have a varying number of lobes (arms) and are selected depending on the grip and pressure required.

Ball knobs – Ideal for use with handles and levers.

Thumb screws - Can be fitted in confined spaces and offer a greater grip that a plain nut and can be tightened by hand or with a tool.

T - Knobs – Easily fitted and gripped with an ergonomic design for quick control adjustment.

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Viewing 1 - 20 of 387 products
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Description Price Thread Thread Diameter Thread Length Knob Shape Mounting Type Knob Diameter Hole Diameter Hole Length Body Material Insert Material Colour Application
RS Stock No. 771-667
BrandRS PRO
£0.456
Each (In a Pack of 20)
Units
- M4 - Round Unthreaded Hole 13mm - - Thermoplastic - Black -
RS Stock No. 771-689
BrandRS PRO
£0.838
Each (In a Pack of 20)
Units
- M6 - Round Unthreaded Hole 19mm - - Thermoplastic - Black -
RS Stock No. 686-020
BrandRS PRO
£1.011
Each (In a Pack of 10)
Units
- M6 - Ball Threaded Hole 25mm 14mm - Duroplast - Black -
RS Stock No. 702-7787
BrandRS PRO
£0.669
Each (In a Pack of 10)
Units
- M6 - Ball Threaded Hole 25mm - - Thermoplastic - Black -
RS Stock No. 267-0853
BrandRS PRO
£3.98
Each (In a Pack of 5)
Units
M8 x 12 M8 12mm 2-Arm Threaded Hole 20mm - - Plastic Aluminium Black -
RS Stock No. 702-7557
BrandRS PRO
£1.907
Each (In a Pack of 10)
Units
M6 x 20 M6 20mm Round Threaded Stud 26mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 702-7526
BrandRS PRO
£1.464
Each (In a Pack of 10)
Units
M4 x 20 M4 20mm Round Threaded Stud 18mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 771-651
BrandRS PRO
£0.421
Each (In a Pack of 20)
Units
- M3 - Round Unthreaded Hole 10mm - - Thermoplastic - Black -
RS Stock No. 771-673
BrandRS PRO
£0.596
Each (In a Pack of 20)
Units
- M5 - Round Unthreaded Hole 16mm - - Thermoplastic - Black -
RS Stock No. 686-058
BrandRS PRO
£2.563
Each (In a Pack of 10)
Units
- M10 - Ball Threaded Hole 44mm 13mm - Duroplast - Black -
RS Stock No. 267-0875
BrandRS PRO
£0.718
Each (In a Pack of 10)
Units
- - - 1-Arm Unthreaded Hole 40mm 6mm - Thermoplastic Steel Black -
RS Stock No. 448-8858
BrandRS PRO
£1.50
Each (In a Pack of 10)
Units
M6 x 12 M6 12mm Round Threaded Hole 25mm - - Polymer Brass Black -
RS Stock No. 448-8836
BrandRS PRO
£1.31
Each (In a Pack of 10)
Units
M5 x 10 M5 10mm Round Threaded Hole 21mm - - Polymer Brass Black -
RS Stock No. 702-7535
BrandRS PRO
£1.468
Each (In a Pack of 10)
Units
M5 x 15 M5 15mm Round Threaded Stud 18mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 478-444
BrandRS PRO
£0.874
Each (In a Pack of 10)
Units
M6 x 20 M6 20mm 2-Arm Threaded Stud 35mm - - Polyamide Steel Black -
RS Stock No. 686-008
BrandRS PRO
£0.518
Each (In a Pack of 10)
Units
- M4 - Ball Threaded Hole 16mm 8mm - Duroplast - Black -
RS Stock No. 478-440
BrandRS PRO
£0.888
Each (In a Pack of 10)
Units
M8 x 15 M8 15mm 2-Arm Threaded Stud 35mm - - Polyamide Steel Black -
RS Stock No. 686-626
BrandRS PRO
£2.159
Each (In a Pack of 10)
Units
M6 x 40 M6 40mm 4-Arm Threaded Stud 38mm - - Phenolic Steel Black -
RS Stock No. 448-8820
BrandRS PRO
£1.347
Each (In a Pack of 10)
Units
M4 x 10 M4 10mm Round Threaded Hole 21mm - - Polymer Brass Black -
RS Stock No. 161-234
BrandRS PRO
£2.739
Each (In a Pack of 10)
Units
M8 x 12 M8 12mm Multiple Lobes Threaded Through Hole 50mm - 24mm Thermoplastic Brass Black -
Related Products
Nylon Polyamide 6 knobs with stud, female inserts ...
Description:
Nylon Polyamide 6 knobs with stud, female inserts and thru' threadZinc plated steel studs or brass female threaded bushesWorking temperature -30°C to +85°CMelting point +215°C.Tolerant of weak acids, with excellent resistance to chlorinated hydrocarbons.
ABS matt black plastic knobs with zinc plated ...
Description:
ABS matt black plastic knobs with zinc plated steel male studs or light alloy female threaded inserts. Span 50mm.
Resistant to most chemicals, UV light and water ...
Description:
Resistant to most chemicals, UV light and water absorption (1.5% max.)Temperature range -20°C to +110°C (short term withstand +170°C)Zinc plated steel, Brass or Stainless steel inserts.