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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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. 771-651
BrandRS PRO
$1.341
Each (In a Pack of 20)
units
- M3 - Round Unthreaded Hole 10mm - - Thermoplastic - Black -
RS Stock No. 161-076
BrandRS PRO
$3.41
Each (In a Pack of 10)
units
M5 x 8 M5 8mm Multiple Lobes Threaded Hole 28mm - - Thermoplastic Brass Black -
RS Stock No. 290-3743
Mfr. Part No.69893
BrandElesa
$2.076
Each (In a Pack of 5)
units
M6 x 18 M6 18mm Multiple Lobes Threaded Hole 40mm - - Polymer Brass Black -
RS Stock No. 267-0875
BrandRS PRO
$1.901
Each (In a Pack of 10)
units
- - - 1-Arm Unthreaded Hole 40mm 6mm - Thermoplastic Steel Black -
RS Stock No. 448-9277
Mfr. Part No.166346
BrandElesa
$8.336
Each (In a Pack of 5)
units
M8 x 13 M8 13mm Multiple Lobes Threaded Hole 40mm - - Polymer Stainless Steel Black -
RS Stock No. 448-8662
Mfr. Part No.166383
BrandElesa
$10.792
Each (In a Pack of 5)
units
M8 x 30 M8 30mm Multiple Lobes Threaded Stud 40mm - - Polymer Stainless Steel Black -
RS Stock No. 702-7790
BrandRS PRO
$0.47
Each (In a Pack of 10)
units
- M5 - Ball Threaded Hole 20mm - - Nylon - Black -
RS Stock No. 686-092
BrandRS PRO
$8.085
Each (In a Pack of 10)
units
M6 x 15 M6 15mm Multiple Lobes Threaded Stud 32mm - - Phenolic Steel Black -
RS Stock No. 267-0869
BrandRS PRO
$4.084
Each (In a Pack of 5)
units
M8 x 25 M8 25mm 2-Arm Threaded Stud 72mm - - Duroplast Steel Black -
RS Stock No. 771-702
BrandRS PRO
$1.784
Each (In a Pack of 20)
units
- M8 - Round Unthreaded Hole 26mm - - Thermoplastic - Black -
RS Stock No. 702-7535
BrandRS PRO
$3.878
Each (In a Pack of 10)
units
M5 x 15 M5 15mm Round Threaded Stud 18mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 702-7661
BrandRS PRO
$6.242
Each (In a Pack of 10)
units
M10 x 15 M10 15mm Multiple Lobes Threaded Hole 60mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 686-165
BrandRS PRO
$6.094
Each (In a Pack of 10)
units
M6 x 9 M6 9mm Multiple Lobes Threaded Hole 32mm - - Phenolic Brass Black -
RS Stock No. 918-5434
Mfr. Part No.169973-C9
BrandElesa
$11.222
Each (In a Pack of 5)
units
M10 x 30 M10 30mm Hex Threaded Stud 53mm - - - Zinc Plated Steel Black -
RS Stock No. 702-7642
BrandRS PRO
$5.479
Each (In a Pack of 10)
units
M8 x 30 M8 30mm Multiple Lobes Threaded Stud 40mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 161-177
BrandRS PRO
$6.481
Each (In a Pack of 10)
units
M6 x 35 M6 35mm Multiple Lobes Threaded Stud 50mm - - Thermoplastic Steel Black -
RS Stock No. 169-339
BrandRS PRO
$2.791
Each (In a Pack of 10)
units
M10 x 40 M10 40mm 2-Arm Threaded Stud 60mm - - Thermoplastic Steel Black -
RS Stock No. 918-5400
Mfr. Part No.169903-C9
BrandElesa
$8.194
Each (In a Pack of 5)
units
M6 x 25 M6 25mm Hex Threaded Stud 43mm - - - Zinc Plated Steel Black -
RS Stock No. 478-618
BrandRS PRO
$33.32
Each
units
M12 x 30 M12 30mm Multiple Lobes Threaded Through Hole 60mm - 38.6mm Aluminium - - -
RS Stock No. 686-581
BrandRS PRO
$7.383
Each (In a Pack of 10)
units
- - - Ball Unthreaded Hole 38mm 10mm 19mm Duroplast - Black -
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Nylon Polyamide 6 knobs with stud, female inserts ...
Description:
Nylon Polyamide 6 knobs with stud, female inserts and through threadZinc plated steel studs and alloy female threadingsMatt black finishWorking temperature -30°C to +85°CMelting point +215°CTolerant of weak acids, with excellent resistance to chlorinated hydrocarbons.
Nylon Polyamide 6 knobs with stud, female inserts ...
Description:
Nylon Polyamide 6 knobs with stud, female inserts and through threadZinc plated steel studs and alloy female threadingsMatt black finishWorking temperature -30°C to +85°CMelting point +215°CTolerant 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.
Brought to you by RS Pro, these phenolic ...
Description:
Brought to you by RS Pro, these phenolic knobs are a great choice for sturdiness and quality. Phenolic knobs, also known as “star knobs” are available with zinc plated male stubs, brass threaded insert or through hole type with brass ...