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. 702-7623
BrandRS PRO
$8.063
Each (In a Pack of 10)
units
M12 x 18 M12 18mm Multiple Lobes Threaded Through Hole 60mm - 31mm Thermoplastic Steel Black -
RS Stock No. 771-651
BrandRS PRO
$1.511
Each (In a Pack of 20)
units
M3 x 4 M3 4mm Knurled Unthreaded Hole 10mm - - Thermoplastic - Black -
RS Stock No. 702-7734
BrandRS PRO
$6.044
Each (In a Pack of 10)
units
M8 x 30 M8 30mm 4-Arm Threaded Stud 40mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 702-7816
BrandRS PRO
$7.393
Each (In a Pack of 10)
units
12 x 20 12mm 20mm Ball Unthreaded Hole 50mm 12mm 40mm Nylon - Black -
RS Stock No. 686-143
BrandRS PRO
$9.658
Each (In a Pack of 10)
units
M10 x 30 M10 30mm Multiple Lobes Threaded Stud 57mm - - Duroplast Steel Black -
RS Stock No. 267-0875
BrandRS PRO
$2.122
Each (In a Pack of 10)
units
- - - 1-Arm Unthreaded Hole 40mm 6mm - Thermoplastic Steel Black -
RS Stock No. 478-541
BrandRS PRO
$28.12
Each
units
M6 x 20 M6 20mm Multiple Lobes Threaded Hole 40mm - - Aluminium - Silver -
RS Stock No. 702-7642
BrandRS PRO
$6.702
Each (In a Pack of 10)
units
M8 x 30 M8 30mm Multiple Lobes Threaded Stud 40mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 702-7677
BrandRS PRO
$7.067
Each (In a Pack of 10)
units
M8 x 15 M8 15mm Multiple Lobes Threaded Through Hole 40mm - 29mm Thermoplastic Stainless Steel Black -
RS Stock No. 702-7636
BrandRS PRO
$5.674
Each (In a Pack of 10)
units
M6 x 20 M6 20mm Multiple Lobes Threaded Stud 28mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 686-058
BrandRS PRO
$5.977
Each (In a Pack of 10)
units
M10 x 43 M10 43mm Ball Threaded Hole 44mm 13mm - Duroplast - Black -
RS Stock No. 771-667
BrandRS PRO
$1.556
Each (In a Pack of 20)
units
M4 x 5 M4 5mm Knurled Unthreaded Hole 13mm - - Thermoplastic - Black -
RS Stock No. 478-434
BrandRS PRO
$2.067
Each (In a Pack of 10)
units
M6 x 15 M6 15mm Wing Threaded Stud 35mm - - Polyamide Steel Black -
RS Stock No. 702-7819
BrandRS PRO
$1.885
Each (In a Pack of 10)
units
6 x 16 6mm 16mm Ball Unthreaded Hole 25mm 6mm 17mm Thermoplastic - Black -
RS Stock No. 702-7649
BrandRS PRO
$7.582
Each (In a Pack of 10)
units
M10 x 25 M10 25mm Multiple Lobes Threaded Stud 60mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 686-064
BrandRS PRO
$4.072
Each (In a Pack of 10)
units
M6 x 20 M6 20mm Wing Threaded Stud 50mm - - Thermoplastic Alloy Black -
RS Stock No. 686-654
BrandRS PRO
$6.748
Each (In a Pack of 10)
units
M8 x 40 M8 40mm 4-Arm Threaded Stud 50mm - - Phenolic Alloy Black -
RS Stock No. 448-8921
BrandRS PRO
$4.133
Each (In a Pack of 10)
units
M10 x 30 M10 30mm Knurled Threaded Stud 31mm - - Polymer Steel Black -
RS Stock No. 702-7793
BrandRS PRO
$7.113
Each (In a Pack of 10)
units
M12 M12 - Ball Threaded Hole 50mm - - Nylon - Black -
RS Stock No. 169-345
BrandRS PRO
$5.211
Each (In a Pack of 10)
units
M6 x 9 M6 9mm Wing Threaded Through Hole 40mm - 20mm Thermoplastic Steel Black -