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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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A star knob is a style of clamping knob with a distinctive multi-lobed head. The shape and design of the star knob ensure the operator has a safe and secure grip. Star knobs also allow extra torque to be easily applied by hand.Thread TypesStar knobs are available with different types of thread, the choice would depend on the application and where the component will be used.<ul><li>Threaded hole &ndash; This is an internal female thread that goes into the star knob head</li><li>Threaded Stud &ndash; This is an external male thread in the form of a protruding stud</li><li>Threaded Through Hole -This is an internal female thread that goes all the way through the star head.</li></ul>Thread SizesAll thread types are available in threads that includeM3, M4, M5, M6, M8, M10, M12 and M16.MaterialsStar Knobs are manufactured from high-quality metal and plastic materials. They are tough, robust and long-lasting. Ideal for industrial applications. Some of the most popular are<ul><li>Aluminium</li><li>Stainless steel</li><li>Thermoplastic</li><li>Polymer</li><li>Duroplast</li></ul>ApplicationsStar knobs are suitable for turning and clamping applications. They are typically used with machinery, handles and levers. This type of clamping knob is perfect for slippery environments.

Star Knobs

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