Clamping Knobs

Clamping knobs are components that are used for clamping, adjusting, turning and tightening. Clamping knobs also known as hand knobs are designed to give the user extra grip and control. The knobs are used in a wide range of industrial environments and applications.

What are the different styles?

Clamping knobs are available in various shapes and styles for machinery and assemblies. Some of the most common are

  • Ball

Are round and are used for up-down and left to right directional movement. They are also used for pulling, tightening. Ball knobs are ideal for control levers and handles. Ball knobs have female internal threads in various sizes that are attached to a threaded stud or shaft.

  • Wing 

Wing knobs are a simple style of knob with a wing-shaped head. Ergonomically designed they are ideal for both high torque applications as well as fingertip control and low adjustment tightening. 

  • Multiple Lobe 

Multiple lobe knobs, often called star knobs are designed for applications that require a secure grip. Their unique shape allows a firm grasp and is ideal for adjusting, turning and clamping applications.

  • Knurled

Knurled rim knobs have a ridged outer edge and are perfect for a non-slip firm grip. Knurled knobs are generally used in applications where an operator may be in contact with wet or damp environments. 

Materials

Clamping knobs are available in a range of metal and plastic body materials, they include

  • Stainless steel
  • Aluminium
  • Thermoplastic
  • Polyamide
  • Duroplast
  • Nylon

Threads

Clamping knobs have female threads, male studs and through-hole threads in M3, M4, M5, M6, M8, M10, M12 and M16. 


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Description Price Thread Thread Diameter Thread Length Knob Shape Mounting Type Knob Diameter Hole Diameter Hole Length Insert Material Colour
RS Stock No. 702-7623
BrandRS PRO
$8.063
Each (In a Pack of 10)
units
M12 12mm 18mm Multiple Lobes Threaded Through Hole 60mm - 31mm Steel Black
RS Stock No. 702-7734
BrandRS PRO
$5.769
Each (In a Pack of 10)
units
M8 8mm 30mm 4-Arm Threaded Stud 40mm - - Stainless Steel Black
RS Stock No. 771-651
BrandRS PRO
$1.511
Each (In a Pack of 20)
units
M3 3mm 4mm Knurled Unthreaded Hole 10mm - - - Black
RS Stock No. 702-7816
BrandRS PRO
$7.393
Each (In a Pack of 10)
units
M12 12mm 20mm Ball Unthreaded Hole 50mm 12mm 40mm - Black
RS Stock No. 686-143
BrandRS PRO
$9.216
Each (In a Pack of 10)
units
M10 10mm 30mm Multiple Lobes Threaded Stud 57mm - - Steel Black
RS Stock No. 702-7677
BrandRS PRO
$6.746
Each (In a Pack of 10)
units
M8 8mm 15mm Multiple Lobes Threaded Through Hole 40mm - 29mm Stainless Steel Black
RS Stock No. 267-0875
BrandRS PRO
$2.122
Each (In a Pack of 10)
units
- - - 1-Arm Unthreaded Hole 40mm 6mm - Steel Black
RS Stock No. 702-7642
BrandRS PRO
$6.702
Each (In a Pack of 10)
units
M8 8mm 30mm Multiple Lobes Threaded Stud 40mm - - Stainless Steel Black
RS Stock No. 702-7636
BrandRS PRO
$5.674
Each (In a Pack of 10)
units
M6 6mm 20mm Multiple Lobes Threaded Stud 28mm - - Stainless Steel Black
RS Stock No. 478-541
BrandRS PRO
$26.84
Each
units
M6 6mm 20mm Multiple Lobes Threaded Hole 40mm - - - Silver
RS Stock No. 702-7819
BrandRS PRO
$1.81
Each (In a Pack of 10)
units
M6 6mm 16mm Ball Unthreaded Hole 25mm 6mm 17mm - Black
RS Stock No. 771-667
BrandRS PRO
$1.556
Each (In a Pack of 20)
units
M4 4mm 5mm Knurled Unthreaded Hole 13mm - - - Black
RS Stock No. 702-7649
BrandRS PRO
$7.582
Each (In a Pack of 10)
units
M10 10mm 25mm Multiple Lobes Threaded Stud 60mm - - Stainless Steel Black
RS Stock No. 686-058
BrandRS PRO
$5.977
Each (In a Pack of 10)
units
M10 10mm 43mm Ball Threaded Hole 44mm 13mm - - Black
RS Stock No. 478-434
BrandRS PRO
$2.067
Each (In a Pack of 10)
units
M6 6mm 15mm Wing Threaded Stud 35mm - - Steel Black
RS Stock No. 702-7784
BrandRS PRO
$5.178
Each (In a Pack of 10)
units
M10 10mm - Ball Threaded Hole 45mm - - - Black
RS Stock No. 686-036
BrandRS PRO
$3.986
Each (In a Pack of 10)
units
M8 8mm 30mm Ball Threaded Hole 32mm 15mm - - Black
RS Stock No. 237-738
BrandRS PRO
$29.015
Each (In a Pack of 2)
units
M6 6mm 12mm Wing Threaded Hole 45mm - - Stainless Steel Silver
RS Stock No. 702-7535
BrandRS PRO
$3.51
Each (In a Pack of 10)
units
M5 5mm 15mm Knurled Threaded Stud 18mm - - Steel Black
RS Stock No. 686-654
BrandRS PRO
$6.748
Each (In a Pack of 10)
units
M8 8mm 40mm 4-Arm Threaded Stud 50mm - - Alloy Black
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Shatterproof ergonomic soft feel design, thermoplastic knobs,Available with ...
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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.
Resistant to most chemicals, UV light and water ...
Description:
Resistant to most chemicals, UV light and water absorption (1.5% max.)Temperature range -20°C to +110°C (short term withstand +170°C)Zinc plated steel, Brass or Stainless steel inserts.