Ganter GN.29768 Natural Stainless Steel Knurled Clamping Knob, M6, Threaded Stud


Clamping knobs, also known as hand knobs, are essential components used for manual clamping, adjusting, and tightening across a wide range of industrial applications. Their ergonomic design provides the user with excellent grip and control, allowing for precise adjustments without the need for tools. 

Typically, clamping knobs are constructed from durable materials, featuring a high-impact thermoplastic or phenolic knob and a threaded metal insert made from steel or stainless steel for strength. This robust construction makes them a reliable choice for machinery, jigs, and equipment.

## **Types of Clamping Screw Knobs**

Clamping screw knobs are available in a variety of shapes and styles, each designed to provide a specific type of grip and leverage for different applications. The shape of the knob head is the primary feature that distinguishes one type from another, as it dictates how the user can apply torque.

### **Knurled Knobs**

Knurled clamping knobs feature a textured or ridged outer rim, which provides a secure, non-slip grip. This design allows for fine control and is particularly useful in applications where adjustments need to be made with precision, or in environments where operators' hands may be wet or oily.

### **Lobe Knobs**

Lobe clamping screw knobs have a series of rounded projections (lobes) radiating from a central hub. This shape is highly ergonomic and allows the user to apply significant torque by hand for clamping and tightening applications.

### **Fluted Knobs**

These clamping knobs feature a cylindrical shape with a series of vertical grooves or flutes around the circumference. The fluted design provides a comfortable and secure grip for general-purpose turning and tightening applications where moderate torque is required.

### **Star Knobs**

Similar to lobe knobs, star clamping knobs feature a distinct star shape that allows for a firm, comfortable grasp. Their unique shape provides excellent leverage, making them ideal for adjusting, turning, and clamping applications that require a high degree of manual torque.

### **Wing Knobs**

Wing knobs have a simple two-pronged, wing-shaped head. This design provides excellent leverage for both high-torque tightening and fine, fingertip adjustments, making them a versatile choice for a wide range of clamping applications.

### **Thumbscrew Knobs**

Thumbscrew knobs consist of a small, flattened or knurled head permanently attached to a threaded stud. They are designed for quick, low-torque fastening and adjustments that can be done easily with just a thumb and forefinger, such as securing access panels.

## **Applications of Clamping Knobs**

Clamping knobs are a ubiquitous component found in any application that requires frequent manual adjustment, fastening, or positioning without the need for tools. Their ergonomic design makes them essential for improving user control and efficiency across a wide range of industries in Singapore.

### **Medical, Food, and Furniture Applications**

In hygiene-sensitive environments, stainless steel or thermoplastic screw knobs are used on medical equipment for tightening stands and securing components. They are also found on food preparation machinery for quick adjustments of guides or guards, while in furniture, they are commonly used on adjustable desks and chairs.

### **Woodworking and Metal Fabrication**

Clamping knobs are essential in both professional and [home workshops](https://sg.rs-online.com/web/content/discovery/ideas-and-advice/setting-up-a-home-workshop-must-have-tools-and-equipment) for creating and securing jigs, fixtures, and hold-downs on equipment like drill presses, router tables, and welding benches. They allow workers to quickly clamp a workpiece in place for precise cutting or drilling and then easily release it.

### **Industrial Machinery**

On industrial machinery, clamping knobs are used for a variety of tasks such as [securing safety guards](https://sg.rs-online.com/web/content/discovery/ideas-and-advice/workplace-on-site-safety-guide), positioning sensors, and adjusting guide rails on conveyor systems. Their robust construction ensures they can withstand the vibration and repeated use common in a factory environment.

### **Automotive and Transportation**

In the automotive sector, clamping knobs are used in both manufacturing jigs and on vehicles themselves. They can be found securing roof racks, adjusting seating or cargo management systems, and for fastening components in custom vehicle modifications.

### **Construction and Site Equipment**

On construction sites, clamping knobs are used on a variety of portable equipment, such as lighting stands, surveying tripods, and cutting guides. Their durability and ease of use in the field allow for the quick setup, adjustment, and breakdown of temporary equipment.

## **How to Choose the Correct Clamping Knob**
- **Consider Application Requirements:** Determine the required torque and frequency of adjustments to select appropriate grip style and size.
- **Material Suitability:** For hygiene-critical environments, opt for stainless steel or chemical-resistant plastic; for heavy industrial use, look for durable phenolic or metal knobs.
- **Thread Size and Type:** When choosing threaded knobs, match the knob’s insert to the equipment specifications (common sizes range from M3 to M16).
- **Environmental Conditions:** Choose corrosion-resistant clamping screw knobs or UV-stabilised materials for outdoor or harsh environments.
- **Ergonomics and Accessibility:** Select screw knob shapes (lobe, star, wing) that provide comfortable handling and sufficient leverage for your desired application.
- **Special Features:** Look for knobs with built-in bearings for smooth operation or locking mechanisms for secure positioning.

## **How to Order Clamping Knobs from RS Singapore?**

Find the right clamping knobs for your machinery, jigs, or equipment at RS Singapore. As a leading supplier of industrial hardware and components, we stock a comprehensive range of clamping screw knobs from trusted manufacturers like [Elesa](https://sg.rs-online.com/web/b/elesa/), [Ganter](https://sg.rs-online.com/web/b/ganter/), and our own [RS PRO](https://sg.rs-online.com/web/b/rs-pro/) range. Explore our full online catalogue to find the perfect threaded clamping knobs, [clamp tools](https://sg.rs-online.com/web/c/hand-tools/clamps-vices/clamps/), and [cable clamps](https://sg.rs-online.com/web/c/cables-wires/cable-ties-fixings/cable-clips-clamps/) for your application.

Sourcing your screw knobs and other industrial components from RS is a simple and straightforward process. Simply select the products you need, add them to your basket, and finalise your order through our secure online payment system. We offer a variety of payment options to accommodate your business purchasing requirements. For all details regarding shipping options, delivery schedules, and our service coverage throughout Singapore, please refer to our dedicated [Delivery Information](https://sg.rs-online.com/web/content/support/all-articles/delivery) page.



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