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. 702-7526
BrandRS PRO
HK$14.236
Each (In a Pack of 10)
units
M4 4mm 20mm Knurled Threaded Stud 18mm - - Steel Black
RS Stock No. 161-082
BrandRS PRO
HK$16.18
Each (In a Pack of 10)
units
M6 6mm 9mm Multiple Lobes Threaded Hole 28mm - - Brass Black
RS Stock No. 702-7548
BrandRS PRO
HK$22.499
Each (In a Pack of 10)
units
M6 6mm 10mm Knurled Threaded Stud 26mm - - Steel Black
RS Stock No. 686-626
BrandRS PRO
HK$20.994
Each (In a Pack of 10)
units
M6 6mm 40mm 4-Arm Threaded Stud 38mm - - Steel Black
RS Stock No. 918-5292
Mfr. Part No.167116
BrandElesa
HK$28.964
Each (In a Pack of 5)
units
M5 5mm 10mm Multiple Lobes Threaded Hole 25mm - - Stainless Steel Black
RS Stock No. 771-718
BrandRS PRO
HK$16.127
Each (In a Pack of 20)
units
M6 6mm 12mm Multiple Lobes Unthreaded Hole 38mm - - - Black
RS Stock No. 771-667
BrandRS PRO
HK$5.356
Each (In a Pack of 20)
units
M4 4mm 5mm Knurled Unthreaded Hole 13mm - - - Black
RS Stock No. 448-8662
Mfr. Part No.166383
BrandElesa
HK$56.498
Each (In a Pack of 5)
units
M8 8mm 30mm Multiple Lobes Threaded Stud 40mm - - Stainless Steel Black
RS Stock No. 702-7673
BrandRS PRO
HK$26.69
Each (In a Pack of 10)
units
M6 6mm 9mm Multiple Lobes Threaded Through Hole 28mm - 25mm Stainless Steel Black
RS Stock No. 686-604
BrandRS PRO
HK$25.198
Each (In a Pack of 10)
units
M6 6mm 13mm 4-Arm Threaded Stud 38mm - - Alloy Black
RS Stock No. 448-8820
BrandRS PRO
HK$16.343
Each (In a Pack of 10)
units
M4 4mm 10mm Knurled Threaded Hole 21mm - - Brass Black
RS Stock No. 448-8527
Mfr. Part No.69811
BrandElesa
HK$17.304
Each (In a Pack of 5)
units
M4 4mm 10mm Multiple Lobes Threaded Hole 25mm - - Brass Black
RS Stock No. 918-5343
Mfr. Part No.26661
BrandElesa
HK$63.308
Each (In a Pack of 5)
units
- - 8mm - Blind Hole 45mm 10mm - - Black
RS Stock No. 686-610
BrandRS PRO
HK$20.799
Each (In a Pack of 10)
units
M6 6mm 25mm 4-Arm Threaded Stud 38mm - - Alloy Black
RS Stock No. 702-7572
BrandRS PRO
HK$27.024
Each (In a Pack of 10)
units
M6 6mm 25mm Multiple Lobes Threaded Stud 40mm - - Steel Black
RS Stock No. 448-8555
Mfr. Part No.69848
BrandElesa
HK$15.632
Each (In a Pack of 5)
units
M6 6mm 12mm Multiple Lobes Threaded Through Hole 32mm - 23mm Brass Black
RS Stock No. 702-7639
BrandRS PRO
HK$23.668
Each (In a Pack of 10)
units
M6 6mm 25mm Multiple Lobes Threaded Stud 40mm - - Stainless Steel Black
RS Stock No. 771-651
BrandRS PRO
HK$4.238
Each (In a Pack of 20)
units
M3 3mm 4mm Knurled Unthreaded Hole 10mm - - - Black
RS Stock No. 686-109
BrandRS PRO
HK$26.761
Each (In a Pack of 10)
units
M6 6mm 30mm Multiple Lobes Threaded Stud 32mm - - Steel Black
RS Stock No. 288-1845
Mfr. Part No.69956
BrandElesa
HK$31.586
Each (In a Pack of 5)
units
M8 8mm 20mm Multiple Lobes Threaded Through Hole 50mm - 32mm Brass Black