MX Series High-Throughput Mounting Presses
Smart, Modern Metallographic Mounting
The LECO MX Series metallographic mounting presses, including the MX400 and MX500, are fully automatic benchtop systems designed to simplify and accelerate the sample mounting process. Featuring fast cycle times, dual-sample mounting capability, and an intuitive touchscreen interface, the MX Series delivers efficient operation in a compact, space-saving footprint.
Designed for high-throughput laboratories, these systems automate routine tasks to improve productivity, reduce operator involvement, and consistently produce high-quality mounts with minimal effort.
Why Choose the LECO MX Series

Optimized for Speed and Productivity
Each MX-Series press offers fully automated mounting—just load the sample, press Start, and the system handles heating, pressure, cooling, and release. Fast cycle times (as quick as 6–7 minutes for a 1.5″ mount) and dual-mounting capability double throughput, making the MX Series ideal for high-volume labs needing consistent and efficient sample preparation.

Effortless, Jam-Free Operation
The MX Series features an innovative swing-style crossbar that opens effortlessly with one hand, eliminating the strain and safety risks of older press designs. Its jam-free, low-maintenance closure ensures fast, ergonomic operation making it an ideal solution for easy and reliable mounting.

Compact Design & Versatility
With a slim 8″ footprint and vertical design, MX-Series presses fit easily on crowded benches and can be lined up to boost throughput. The 7″ touchscreen offers intuitive swipe-and-tap controls, preloaded and customizable methods, and real-time cycle progress. Multilingual support and unit flexibility ensure easy, confident use by any operator.

Scalable Solutions for Every Laboratory
The MX400 and MX500 both offer fast, automatic cycles, dual-mount capability, jam-free operation, and an intuitive touchscreen interface. The MX400 is ideal for labs using a single mold size, available in fixed diameters from 1.25″ to 50 mm. The MX500 adds flexibility with quick-change mold cylinders for all five standard sizes, making it perfect for labs handling varied or evolving sample needs. Both models maintain rapid cycle times and support accessories like water recirculation and exhaust hoods for enhanced efficiency and daily use.

Efficient Cooling & Water Conservation
The optional MX Water Recirculator is a compact, closed-loop cooling system that conserves water and simplifies setup by eliminating the need for facility water and drain. Its efficient air-cooled design rapidly cools the recirculation water, enabling fast and consistent cycle times even during continuous, high-throughput use.
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Ensure reliable instrument performance with extensive support, training, and maintenance services. Need tailored support for your mounting needs? Our experts are standing by.
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