Permanent Magnetic Chucks

Rare Earth Round Chuck

MPI’s Rare Earth Round Chuck delivers powerful, uniform magnetic holding for circular grinding and turning applications. Its compact profile and high-energy rare earth magnets ensure precision clamping with zero power requirement. Ideal for lathe work, rotary tables, and surface grinding of round parts, it enhances accuracy while reducing setup time and part distortion.

Double Rare Earth Round Chuck

Designed for maximum magnetic holding power, MPI’s Double Rare Earth Round Chuck uses dual magnet circuits to secure ferrous components during heavy grinding or turning. It provides deep, uniform clamping strength—ideal for demanding, high-force machining of circular or ring-shaped parts. Its durable construction ensures stability, repeatability, and consistent performance in tough environments.

Double Ceramic Round Chuck

MPI’s Double Ceramic Round Chuck combines stable holding power with excellent heat resistance, making it ideal for surface grinding applications. Its ceramic pole design minimizes thermal distortion and wear, while delivering reliable part clamping over time. Perfect for precision grinding where minimal thermal influence is critical to maintaining tolerance and finish.

Rare Earth Compact Milling Chuck

MPI’s Rare Earth Compact Milling Chuck offers strong, secure magnetic workholding in a low-profile design, ideal for CNC milling and drilling where space is tight. It's rare earth magnet technology ensures high clamping force across the work surface, reducing vibration and improving surface finish while enhancing fixture accessibility and part throughput.

Rare Earth Surface Grinder Chuck

The Rare Earth Surface Grinder Chuck from MPI provides precise, rigid clamping for ferrous workpieces in high-accuracy surface grinding operations. It's rare earth magnets deliver exceptional holding force while maintaining tight part tolerances. Designed for flatness and uniformity, it minimizes part movement, boosting repeatability and finish quality in toolroom and production grinding.

Dymax Permanent Magnetic Chuck

MPI’s Dymax Chuck is engineered for maximum versatility, offering high holding force and flexible pole configurations for flat and round components. It provides a balanced solution for grinding, light milling, and general machining. With no external power required and built-in safety reliability, it’s a trusted all-purpose magnetic chuck for shops of all sizes.

Pneumatic Switchable Permanent Magnet (PSPM)

MPI’s PSPM offers the strength of a permanent magnet with the automation of pneumatic switching. Perfect for integration into robotic or automated systems, it provides fast, repeatable clamping and release of ferrous parts. With no residual magnetism and minimal energy use, the PSPM enhances safety, cycle time, and precision in automated workholding.

Magnetic Permanent Block

MPI’s Magnetic Permanent Block provides a simple, rugged solution for securing small ferrous components in grinding, inspection, or light machining tasks. With powerful holding and a compact footprint, it’s ideal for fixture setups, squaring blocks, or parallel clamping. Maintenance-free and portable, it’s a shop essential for quick, repeatable workholding.