IKA M 20 Universal Grinding Mill for Sample Preparation in Laboratory Applications

M 20 Universal mill

Batch mill suitable for dry grinding of hard and brittle substances up to 250 ml with a fixed speed of 20.000 rpm.

The M 20 Universal Mill is widely referenced in laboratory milling literature and manufacturer application notes as a reliable solution for reproducible dry grinding of brittle and hard materials. Fixed-speed impact milling at high rotational speeds is a commonly cited method for achieving consistent particle size reduction in analytical and quality-control workflows. Industry documentation and laboratory equipment reviews frequently highlight this type of mill for its balance between performance, ease of cleaning, and suitability for routine sample preparation. Typical user feedback emphasizes dependable grinding results, straightforward operation, and efficient cooling when processing heat-sensitive samples.

Efficient High-Speed Grinding

• Double-walled grinding chamber can be cooled with water through two hose adapters
• Removable grinding chamber, easy to clean
• Two grinding chambers can be alternately operated using one drive
• M 21 blade incl. with delivery

To broaden the utility of your material preparation and size reduction workflow

Centered on the M‑20 Universal Mill — a batch mill engineered for dry grinding of hard, brittle substances up to 250 ml at high speed ([turn0search0](#)) — consider other sample processing solutions that support diverse laboratory and industrial tasks. The A‑11 basic Analytical Mill is designed for pulverizing soft, fibrous and non‑elastic materials with easy handling and versatile grinding options, ideal for routine sample prep and analytical lab work ([turn0search13](#)). For applications requiring homogenization and emulsification in addition to grinding, the Handheld Homogenizer D160 delivers rapid dispersion and cell disruption in liquids and solids, extending your capability for sample processing across biology and chemistry workflows ([turn1search4](#)). Additionally, the EX423 Explorer Precision Balance provides high‑accuracy weighing to ensure precise quantification of samples before and after milling, supporting robust measurement and reporting in quality control environments.

Q&A

What types of materials can be processed with the M 20 Universal mill?

The M 20 Universal mill is designed for dry grinding of hard and brittle substances, such as minerals, ceramics, dried chemicals, and similar laboratory samples.

Is the M 20 suitable for heat-sensitive samples?

Yes. The double-walled grinding chamber allows water cooling via hose adapters, helping to reduce heat buildup during high-speed grinding.

How easy is it to clean the grinding chamber?

The grinding chamber is removable, which simplifies cleaning between samples and helps prevent cross-contamination in analytical applications.

Can multiple grinding chambers be used with one drive?

Yes. Two grinding chambers can be operated alternately with a single drive, improving workflow efficiency in busy laboratory environments.