The M3 Nut (Part # DADO3M) is a vital, small component essential for the structural integrity and reliable function of numerous internal assemblies within commercial espresso machines. Engineered to ISO standard specifications, this genuine replacement part ensures a precise fit and reliable fastening wherever an M3 thread is required. Made from high-quality, durable material, the DADO3M nut resists the constant vibration, thermal expansion, and moisture exposure inherent in a high-volume café environment. When you notice your espresso machine components are loose or failing—a common problem where small fasteners wear out—this OEM M3 nut provides the perfect solution for a secure, long-lasting fix. A loose fastener can quickly lead to system failure, making this M3 nut a critical piece of preventive maintenance. The benefit of using this factory-specified component is guaranteed thread compatibility and strength, which prevents the stripped threads or loosening issues often associated with generic hardware. This nut is commonly used to secure control boards, mounting brackets, heating elements, and internal wiring harnesses. Its compact size (M3 diameter) and hexagonal head allow for easy installation by qualified technicians using standard tools, ensuring a quick and effective solution when you need to stabilize electrical or mechanical parts. Stop worrying about a "wobbly espresso machine component" or "how to fix a loose internal bracket" and invest in the reliable DADO3M. Sold individually, this M3 Nut is rated for high-temperature and high-moisture use. Ensure your machine operates flawlessly and prevent further damage by replacing any worn or missing M3 nuts immediately. Always check your machine's parts diagram for precise application, and trust Kaldi.com for the genuine components needed to maintain professional espresso quality.