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. 771-695
BrandRS PRO
€25.91
1 Pack of 20
Pack(s)
M6 x 8 M6 8mm Knurled Unthreaded Hole 26mm - - Thermoplastic - Black -
RS Stock No. 478-999
BrandRS PRO
€30.46
Each
units
M8 x 25 M8 25mm Multiple Lobes Threaded Hole 50mm - - Stainless Steel - Silver -
RS Stock No. 702-7730
BrandRS PRO
€30.69
1 Pack of 10
Pack(s)
M8 x 20 M8 20mm 4-Arm Threaded Stud 40mm - - Thermoplastic Stainless Steel Black -
RS Stock No. 144-3648
BrandRS PRO
€35.48
1 Bag of 2
Bag(s)
6 x 24 6mm 24mm Ball Press Fit 38mm 6mm 24mm Stainless Steel - Silver Aerospace Equipment, Agricultural Machinery, Construction Equipment, Electronics Enclosures, Industrial Machinery, Lighting, Marine Industry, Medical Aids & Equipment, Office Furniture, Packaging & Processing Equipment, Point of Sale, Printing Equipment
RS Stock No. 771-724
BrandRS PRO
€36.54
1 Pack of 20
Pack(s)
M8 x 10 M8 10mm Multiple Lobes Unthreaded Hole 38mm - - Thermoplastic - Black -
RS Stock No. 144-3622
BrandRS PRO
€7.03
1 Bag of 2
Bag(s)
M4 x 7 M4 7mm Ball Threaded Mount 16mm - 7mm Stainless Steel - Silver Aerospace Equipment, Agricultural Machinery, Construction Equipment, Electronics Enclosures, Industrial Machinery, Lighting, Marine Industry, Medical Aids & Equipment, Office Furniture, Packaging & Processing Equipment, Point of Sale, Printing Equipment
RS Stock No. 702-7728
BrandRS PRO
€27.23
1 Pack of 10
Pack(s)
M10 x 15 M10 15mm 4-Arm Threaded Through Hole 50mm - 29mm Thermoplastic Steel Black -
RS Stock No. 188-3444
BrandRS PRO
€37.00
1 Pack of 10
Pack(s)
M8 M8 - Multiple Lobes Threaded Through Hole 50mm - - - Brass Black -
RS Stock No. 188-3448
BrandRS PRO
€16.60
1 Pack of 10
Pack(s)
M5 x 20 M5 20mm Multiple Lobes Threaded Stud 28mm - - - Zinc Plated Steel Black -
RS Stock No. 188-3443
BrandRS PRO
€29.60
1 Pack of 10
Pack(s)
M6 M6 - Multiple Lobes Threaded Through Hole 50mm - - - Brass Black -
RS Stock No. 448-8656
Mfr. Part No.166263
BrandElesa
€19.56
1 Pack of 5
Pack(s)
M6 x 20 M6 20mm Multiple Lobes Threaded Stud 32mm - - Polymer Stainless Steel Black -
RS Stock No. 448-8577
Mfr. Part No.69851
BrandElesa
€9.60
1 Pack of 5
Pack(s)
M6 x 16 M6 16mm Multiple Lobes Threaded Stud 32mm - - Polymer Steel Black -
RS Stock No. 448-8662
Mfr. Part No.166383
BrandElesa
€29.76
1 Pack of 5
Pack(s)
M8 x 30 M8 30mm Multiple Lobes Threaded Stud 40mm - - Polymer Stainless Steel Black -
RS Stock No. 448-8533
Mfr. Part No.69822
BrandElesa
€8.40
1 Pack of 5
Pack(s)
M5 x 16 M5 16mm Multiple Lobes Threaded Stud 25mm - - Polymer Steel Black -
RS Stock No. 288-1817
Mfr. Part No.70017
BrandElesa
€21.81
1 Pack of 5
Pack(s)
M10 x 26 M10 26mm Multiple Lobes Threaded Through Hole 63mm - 37mm Polymer Brass Black -
RS Stock No. 918-5330
Mfr. Part No.167385
BrandElesa
€28.03
1 Pack of 5
Pack(s)
M8 x 40 M8 40mm 3-Arm Threaded Stud 40mm - - Polyamide Stainless Steel Black Machinery
RS Stock No. 448-8555
Mfr. Part No.69848
BrandElesa
€8.69
1 Pack of 5
Pack(s)
M6 x 12 M6 12mm Multiple Lobes Threaded Through Hole 32mm - 23mm Polymer Brass Black -
RS Stock No. 290-3743
Mfr. Part No.69893
BrandElesa
€12.71
1 Pack of 5
Pack(s)
M6 x 18 M6 18mm Multiple Lobes Threaded Hole 40mm - - Polymer Brass Black -
RS Stock No. 288-1839
Mfr. Part No.70027
BrandElesa
€16.68
1 Pack of 5
Pack(s)
M10 x 50 M10 50mm Multiple Lobes Threaded Stud 63mm - - Polymer Steel Black -
RS Stock No. 290-4291
Mfr. Part No.70013
BrandElesa
€21.13
1 Pack of 5
Pack(s)
M10 x 26 M10 26mm Multiple Lobes Threaded Hole 63mm - - Polymer Brass Black -
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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