M6 split washer
As the name suggests, the spring washer is compressed like a spring when the nut is attached to the screw. The galvanized iron spring washer is produced in sizes M3 to M24 and is placed in the bolt and nut connections between the flat washer and the work piece. Galvanized iron spring washer in size M6 micrometer is also used in the connection of hexagon screws, Allen screws, metric screws and sometimes even in the connection of machine screws. Spring washers are produced according to the DIN127 standard in a German standard machine with mm dimensions.