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RS PRO Black Duroplast Ball Clamping Knob, Push-in Mount, 44 mm Knob Diameter, 686-597
Specifications
| Country of Origin | China |
|---|---|
| Brand | RS PRO |
| Colour | Black |
| Body Material | Duroplast |
| Model | 686-597 |
| Mount Type | Push-in |
| Standards | BS771 |
| Hole Diameter | 12mm |
| Knob Shape | Ball |
| Knob Diameter | 44 mm |
| Hole Length | 20mm |
Key Features
- Constructed from robust Duroplast for superior durability.
- Features a ball-shaped knob for comfortable grip and ergonomic control.
- Push-in mount type ensures easy and secure installation on radial shafts.
- Knob diameter is 44 mm, ideal for engineering and industrial hardware applications.
- Hole diameter of 12 mm and hole length of 20 mm fit standard requirements.
- Highly resistant to oils, greases, and most industrial chemicals.
- Gloss black finish maintains an attractive appearance under heavy use.
- Temperature rating from -30 to 140°C suits various environmental conditions.
Product Description
The RS PRO 686-597 Black Duroplast Ball Clamping Knob is designed for industrial and engineering hardware, delivering secure manual adjustment and reliable clamping. Manufactured from tough Duroplast, this knob withstands demanding environments and is ideal for machinery, fluid power setups, and mechanical equipment. Its ball shape provides a comfortable, ergonomic grip for precise control and frequent operation.
The push-in mount type streamlines installation, making it suitable for engaging radial shafts with fitted tolerance rings. With a knob diameter of 44 mm, the part offers ample leverage without excessive bulk. The 12 mm hole diameter and 20 mm hole length accommodate common shaft sizes and facilitate secure attachment. The knob is finished in gloss black, which resists visible wear and retains its professional appearance. It is engineered to perform in temperatures ranging from -30 to 140°C, ensuring reliability across a range of settings including manufacturing, assembly, laboratory, and HVAC.
Duroplast material provides exceptional resistance to oils, greases, and most industrial chemicals, reducing maintenance and ensuring long service life. This clamping knob meets BS771 standards and is proven for applications needing robust, repeatable clamping or adjusting. Its performance orientation makes it ideal for industrial, laboratory, and commercial installations - especially where maintenance crews, engineers, or operators require secure and frequent manual equipment adjustment.
The RS PRO 686-597 can be used for machine panels, enclosures, fixtures, and controls, as well as in custom automation and equipment setups. The ergonomic design improves user comfort and control during operation. Its compatibility with push-in mounting systems allows quick retrofitting and straightforward replacement of worn or damaged knobs.
Industrial users benefit from its sturdy chemical resistance, while its clean black appearance suits professional environments. The practical diameter and secure mounting dimensions make it a versatile choice for engineers, facility managers, and maintenance professionals.
Explore more Clamping Knobs, levers, and engineering hardware in the RS PRO lineup on EnvMart to meet all industrial tooling and manual control requirements.
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Frequently Asked Questions
The knob diameter is 44 mm, providing ample leverage for manual adjustments.
It is constructed from Duroplast, which offers high resistance to oils, greases, and most industrial chemicals.
This clamping knob features a push-in mount type, allowing for easy and secure installation on radial shafts.
The hole diameter is 12 mm and the hole length is 20 mm, accommodating standard shaft sizes.
It can operate in temperatures ranging from -30 to 140°C, making it suitable for various environmental conditions.
It meets BS771 standards, ensuring it is suitable for robust and repeatable clamping applications.
The knob has a ball shape, which provides a comfortable grip and ergonomic control during operation.
The country of origin for this product is China.
It is ideal for use in machinery, fluid power setups, mechanical equipment, and various industrial and laboratory applications.
The gloss black finish helps maintain an attractive appearance under heavy use and resists visible wear.
Duroplast provides exceptional durability and resistance to harsh chemicals, reducing maintenance needs and extending service life.
Yes, its compatibility with push-in mounting systems allows for quick retrofitting and straightforward replacement of worn or damaged knobs.
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