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. 702-7784
BrandRS PRO
R 37.83
Each (In a Pack of 10)
units
M10 10mm - Ball Threaded Hole 45mm - - - Black
RS stock no. 771-730
BrandRS PRO
R 34.776
Each (In a Pack of 20)
units
M10 10mm 13mm Multiple Lobes Unthreaded Hole 38mm - - - Black
RS stock no. 918-5428
Mfr. Part No.169952-C9
BrandElesa
R 140.938
Each (In a Pack of 5)
units
M8 8mm 13mm Hex Threaded Hole 53mm - - Brass Black
RS stock no. 288-1801
Mfr. Part No.69963
BrandElesa
R 51.206
Each (In a Pack of 5)
units
M8 8mm 30mm Multiple Lobes Threaded Stud 50mm - - Steel Black
RS stock no. 702-7620
BrandRS PRO
R 67.295
Each (In a Pack of 10)
units
M10 10mm 15mm Multiple Lobes Threaded Through Hole 50mm - 31mm Steel Black
RS stock no. 686-121
BrandRS PRO
R 77.548
Each (In a Pack of 10)
units
M8 8mm 30mm Multiple Lobes Threaded Stud 44mm - - Steel Black
RS stock no. 288-1839
Mfr. Part No.70027
BrandElesa
R 74.02
Each (In a Pack of 5)
units
M10 10mm 50mm Multiple Lobes Threaded Stud 63mm - - Steel Black
RS stock no. 918-5324
Mfr. Part No.167346
BrandElesa
R 110.39
Each (In a Pack of 5)
units
M8 8mm 13.5mm 3-Arm Threaded Hole 40mm - - Stainless Steel Black
RS stock no. 918-5406
Mfr. Part No.169894-C9
BrandElesa
R 104.532
Each (In a Pack of 5)
units
M8 8mm 11mm Hex Threaded Hole 43mm - - Brass Black
RS stock no. 702-7572
BrandRS PRO
R 56.107
Each (In a Pack of 10)
units
M6 6mm 25mm Multiple Lobes Threaded Stud 40mm - - Steel Black
RS stock no. 702-7683
BrandRS PRO
R 94.914
Each (In a Pack of 10)
units
M12 12mm 18mm Multiple Lobes Threaded Through Hole 60mm - 34mm Stainless Steel Black
RS stock no. 830-4145
BrandRS PRO
R 22.629
Each (In a Pack of 10)
units
M4 4mm 10mm Knurled Threaded Hole 15mm - - - Black
RS stock no. 686-020
BrandRS PRO
R 25.172
Each (In a Pack of 10)
units
M6 6mm 23mm Ball Threaded Hole 25mm 14mm - - Black
RS stock no. 771-724
BrandRS PRO
R 34.545
Each (In a Pack of 20)
units
M8 8mm 10mm Multiple Lobes Unthreaded Hole 38mm - - - Black
RS stock no. 702-7591
BrandRS PRO
R 97.148
Each (In a Pack of 10)
units
M12 12mm 30mm Multiple Lobes Threaded Stud 60mm - - Steel Black
RS stock no. 702-7623
BrandRS PRO
R 75.369
Each (In a Pack of 10)
units
M12 12mm 18mm Multiple Lobes Threaded Through Hole 60mm - 31mm Steel Black
RS stock no. 288-1817
Mfr. Part No.70017
BrandElesa
R 91.164
Each (In a Pack of 5)
units
M10 10mm 26mm Multiple Lobes Threaded Through Hole 63mm - 37mm Brass Black
RS stock no. 702-7649
BrandRS PRO
R 83.644
Each (In a Pack of 10)
units
M10 10mm 25mm Multiple Lobes Threaded Stud 60mm - - Stainless Steel Black
RS stock no. 702-7787
BrandRS PRO
R 17.131
Each (In a Pack of 10)
units
M6 6mm - Ball Threaded Hole 25mm - - - Black
RS stock no. 290-4291
Mfr. Part No.70013
BrandElesa
R 79.094
Each (In a Pack of 5)
units
M10 10mm 26mm Multiple Lobes Threaded Hole 63mm - - Brass Black