Müller Martini H220.1558.5 Counterpart Groove Nut

The Counterpart Groove Nut, also known as groove nut counter-element, locknut counterpart, or groove nut securing element, with type number H220.1558.5 from Müller Martini, is a mechanical fastener from the category of nuts. It has the dimensions 5 x 5 x 5 cm and weighs 0.055 kg. Groove nuts are used to securely fix components on shafts or axles and to secure their position against vibration or unintentional loosening. The counterpart complements the groove nut to ensure a stable and durable connection. Typical applications are found in mechanical engineering, particularly in the assembly of precision machinery, and in automation technology for fastening rotating machine elements.