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
TWD18.90
Each (In a Pack of 20)
units
M3 x 4 M3 4mm Knurled Unthreaded Hole 10mm - - Thermoplastic - Black -
RS Stock No. 161-212
BrandRS PRO
TWD102.10
Each (In a Pack of 10)
units
M6 x 9 M6 9mm Multiple Lobes Threaded Through Hole 40mm - 20mm Thermoplastic Brass Black -
RS Stock No. 448-8864
BrandRS PRO
TWD81.00
Each (In a Pack of 10)
units
M8 x 12 M8 12mm Knurled Threaded Hole 25mm - - Polymer Brass Black -
RS Stock No. 830-4158
BrandRS PRO
TWD52.20
Each (In a Pack of 10)
units
M6 x 15 M6 15mm Knurled Threaded Hole 15mm - - Nylon - Black -
RS Stock No. 686-187
BrandRS PRO
TWD156.80
Each (In a Pack of 10)
units
M10 x 15 M10 15mm Multiple Lobes Threaded Hole 44mm - - Phenolic Brass Black -
RS Stock No. 771-667
BrandRS PRO
TWD21.60
Each (In a Pack of 20)
units
M4 x 5 M4 5mm Knurled Unthreaded Hole 13mm - - Thermoplastic - Black -
RS Stock No. 702-7532
BrandRS PRO
TWD67.50
Each (In a Pack of 10)
units
M5 x 10 M5 10mm Knurled Threaded Stud 22mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 918-5318
Mfr. Part No.167262
BrandElesa
TWD103.20
Each (In a Pack of 5)
units
M6 x 16 M6 16mm 3-Arm Threaded Stud 32mm - - Polyamide Stainless Steel Black Machinery
RS Stock No. 918-5396
Mfr. Part No.134426
BrandElesa
TWD328.80
Each (In a Pack of 5)
units
M10 x 18 M10 18mm Knurled Threaded Hole 54mm - - - Brass Black Clamping
RS Stock No. 918-5343
Mfr. Part No.26661
BrandElesa
TWD258.80
Each (In a Pack of 5)
units
- - 8mm - Blind Hole 45mm 10mm - Polypropylene (PP) - Black -
RS Stock No. 918-5321
Mfr. Part No.167383
BrandElesa
TWD187.60
Each (In a Pack of 5)
units
M8 x 30 M8 30mm 3-Arm Threaded Stud 40mm - - Polyamide Stainless Steel Black Machinery
RS Stock No. 686-143
BrandRS PRO
TWD181.60
Each (In a Pack of 10)
units
M10 x 30 M10 30mm Multiple Lobes Threaded Stud 57mm - - Duroplast Steel Black -
RS Stock No. 702-7535
BrandRS PRO
TWD66.00
Each (In a Pack of 10)
units
M5 x 15 M5 15mm Knurled Threaded Stud 18mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 478-377
BrandRS PRO
TWD662.00
Each
units
M8 x 22 M8 22mm Multiple Lobes Threaded Through Hole 50mm - 30.9mm Aluminium - Silver -
RS Stock No. 918-5403
Mfr. Part No.134456
BrandElesa
TWD328.80
Each (In a Pack of 5)
units
M10 x 30 M10 30mm Knurled Threaded Stud 54mm - - - Zinc Plated Steel Black, Silver Clamping
RS Stock No. 686-115
BrandRS PRO
TWD137.50
Each (In a Pack of 10)
units
M8 x 20 M8 20mm Multiple Lobes Threaded Stud 44mm - - Duroplast Steel Black -
RS Stock No. 702-7605
BrandRS PRO
TWD151.50
Each (In a Pack of 10)
units
M10 x 15 M10 15mm Multiple Lobes Threaded Hole 60mm - - Thermoplastic Steel Black -
RS Stock No. 918-5352
Mfr. Part No.26662
BrandElesa
TWD258.80
Each (In a Pack of 5)
units
- - 8mm - Blind Hole 45mm 12mm - Aluminium - Natural -
RS Stock No. 702-7548
BrandRS PRO
TWD85.40
Each (In a Pack of 10)
units
M6 x 10 M6 10mm Knurled Threaded Stud 26mm - - Duroplast Steel Black Fabrication & Maintenance
RS Stock No. 188-3462
BrandRS PRO
TWD103.40
Each (In a Pack of 5)
units
M8 M8 - Multiple Lobes Threaded Through Hole 40mm - - - Brass Black -