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. 702-7557
BrandRS PRO
$5.04
Each (In a Pack of 10)
units
M6 x 20 M6 20mm Round Threaded Stud 26mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 702-7807
BrandRS PRO
$2.298
Each (In a Pack of 10)
units
- - - Ball Unthreaded Hole 38mm 10mm 27mm Thermoplastic - Black -
RS Stock No. 161-436
BrandRS PRO
$2.249
Each (In a Pack of 10)
units
M5 x 8 M5 8mm 2-Arm Threaded Hole 28mm - - Thermoplastic Steel Black -
RS Stock No. 702-7651
BrandRS PRO
$2.836
Each (In a Pack of 10)
units
M6 x 9 M6 9mm Multiple Lobes Threaded Hole 28mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 702-7639
BrandRS PRO
$2.605
Each (In a Pack of 10)
units
M6 x 25 M6 25mm Multiple Lobes Threaded Stud 40mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 448-8886
BrandRS PRO
$3.369
Each (In a Pack of 10)
units
M5 x 16 M5 16mm Round Threaded Stud 21mm - - Polymer Steel Black -
RS Stock No. 448-8533
Mfr. Part No.69822
BrandElesa
$2.902
Each (In a Pack of 5)
units
M5 x 16 M5 16mm Multiple Lobes Threaded Stud 25mm - - Polymer Steel Black -
RS Stock No. 702-7695
BrandRS PRO
$5.098
Each (In a Pack of 10)
units
M8 x 20 M8 20mm 4-Arm Threaded Stud 40mm - - Thermoplastic Steel Black -
RS Stock No. 918-5412
Mfr. Part No.169911-C9
BrandElesa
$9.518
Each (In a Pack of 5)
units
M8 x 16 M8 16mm Hex Threaded Stud 43mm - - - Zinc Plated Steel Black -
RS Stock No. 702-7538
BrandRS PRO
$3.913
Each (In a Pack of 10)
units
M5 x 20 M5 20mm Round Threaded Stud 18mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 702-7813
BrandRS PRO
$1.355
Each (In a Pack of 10)
units
- - - Ball Unthreaded Hole 32mm 8mm 24mm Thermoplastic - Black -
RS Stock No. 161-199
BrandRS PRO
$3.314
Each (In a Pack of 10)
units
M8 x 30 M8 30mm Multiple Lobes Threaded Stud 60mm - - Thermoplastic Steel Black -
RS Stock No. 288-1823
Mfr. Part No.69897
BrandElesa
$2.364
Each (In a Pack of 5)
units
M6 x 18 M6 18mm Multiple Lobes Threaded Through Hole 40mm - 27mm Polymer Brass Black -
RS Stock No. 288-1794
Mfr. Part No.69953
BrandElesa
$3.596
Each (In a Pack of 5)
units
M8 x 20 M8 20mm Multiple Lobes Threaded Hole 50mm - - Polymer Brass Black -
RS Stock No. 702-7702
BrandRS PRO
$7.187
Each (In a Pack of 10)
units
M10 x 25 M10 25mm 4-Arm Threaded Stud 60mm - - Thermoplastic Steel Black -
RS Stock No. 161-240
BrandRS PRO
$8.577
Each (In a Pack of 10)
units
M10 x 15 M10 15mm Multiple Lobes Threaded Through Hole 60mm - 30mm Thermoplastic Steel Black -
RS Stock No. 771-695
BrandRS PRO
$3.136
Each (In a Pack of 20)
units
- M6 - Round Unthreaded Hole 26mm - - Thermoplastic - Black -
RS Stock No. 161-183
BrandRS PRO
$9.328
Each (In a Pack of 10)
units
M8 x 40 M8 40mm Multiple Lobes Threaded Stud 50mm - - Thermoplastic Alloy Black -
RS Stock No. 478-624
BrandRS PRO
$29.34
Each
units
M10 x 17.5 M10 17.5mm Multiple Lobes Threaded Hole 50mm - - Stainless Steel - Silver -
RS Stock No. 478-466
BrandRS PRO
$2.982
Each (In a Pack of 10)
units
M5 x 15 M5 15mm 2-Arm Threaded Stud 35mm - - Polyamide Steel Black -
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Description:
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Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with ...
Description:
Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with zinc plated steel or stainless steel studs and brass or stainless steel inserts,Clamping shoulders reduce stress/deformation,Resistant to solvents, oils and most chemicals,High clamping force.
Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with ...
Description:
Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with zinc plated steel or stainless steel studs and brass or stainless steel inserts,Clamping shoulders reduce stress/deformation,Resistant to solvents, oils and most chemicals,High clamping force.
Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with ...
Description:
Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with zinc plated steel or stainless steel studs and brass or stainless steel inserts,Clamping shoulders reduce stress/deformation,Resistant to solvents, oils and most chemicals,High clamping force.