KORRETTO · permanent magnetic chucks
Powerful Circular Permanent Magnetic Chuck
Powerful circular permanent magnetic chucks provide strong permanent magnetic holding for round, disc and circular ferromagnetic workpieces. They are suitable for heavier circular parts where permanent magnetic holding is preferred over electromagnetic clamping.
Send the workpiece diameter, thickness, weight, holding area and required chuck diameter, and we will help check the suitable powerful circular permanent magnetic chuck model.

Product Overview
Powerful circular permanent magnetic chucks are designed for strong permanent magnetic holding of round and disc ferromagnetic workpieces. They are suitable for circular workholding tasks requiring high holding stability.
Typical Applications
- Round and disc ferromagnetic workpieces
- Circular grinding and setup operations
- Applications requiring stronger circular permanent magnetic holding
- Heavier circular parts with stable holding requirements
Key Features
Powerful circular holding
Designed for stable holding of circular ferromagnetic parts.
Permanent magnetic structure
No continuous power is required during clamping.
Clear D/H specifications
Diameter and height values are listed for model matching.
Strong holding performance
Suitable for circular workpieces requiring higher magnetic force.
Parameters and Dimensions
Use the dimension drawing and parameter table below to verify diameter, height, magnetic force and net weight for model selection.
Dimension Drawing

| Model | Main Dimensions (mm) | Magnetic Force (kg) | Net Weight (kg) | |
|---|---|---|---|---|
| D | H | |||
| XM51 160 | 160 | 65 | 120 | 8 |
| XM51 200 | 200 | 70 | 120 | 12 |
| XM51 250 | 250 | 70 | 120 | 16 |
| XM51 300 | 300 | 80 | 120 | 34 |
| XM51 400 | 400 | 90 | 140 | 64 |
Selection Notes
Confirm workpiece diameter, thickness, weight, contact area and required chuck diameter to choose the proper model.
FAQ
What workpieces are powerful circular permanent magnetic chucks suitable for?
They are suitable for round, disc and rotary ferromagnetic workpieces that need stronger permanent magnetic holding on circular working surfaces.
How is a powerful circular permanent magnetic chuck different from a circular electromagnetic chuck?
A powerful circular permanent magnetic chuck holds by permanent magnetic force without continuous power, while a circular electromagnetic chuck uses electrical magnetic control for holding and release.
What information should I provide for model selection?
Please provide workpiece material, diameter, thickness, holding area, workpiece weight and machine table size so the suitable model can be confirmed.
What workpiece diameter and holding area should be checked?
Please confirm the workpiece diameter, thickness, magnetic contact area and whether the part is a solid disc, ring or other round ferromagnetic component.
What machine table or rotary setup should be confirmed?
Please confirm the grinder or fixture table size, mounting interface, usable circular surface and any rotary positioning arrangement before choosing the chuck.
Is it suitable for grinding and inspection of round parts?
Yes. It is commonly used for grinding, inspection and circular workholding of ferromagnetic round parts that require strong permanent magnetic support.
What should be checked before installation?
Check the base flatness, chuck surface cleanliness, magnetic switch operation and the workpiece coverage on the effective holding area before use.
What information is needed for quotation?
Please provide the workpiece material, diameter, thickness, weight, contact area, machine table size and application details.



