Features [Thread Diameter] M10 / 0.39; pitch: 1.25mm, these crown nut greatly reduce loosening under vibrations and , Serrated flange nuts are fabricated with a built in serrated washer that resist loosening due to vibration [Feature] Flange nut (fine teeth), for the fine flange nut, the fine nut has good retreat, fine pitch is suitable for anti vibration, pitch fine crown is easy to adjust the , flange nuts assortment kit suitable for the place where the or should be adjusted [Design] There is a wide flange at one end of the serrated nut, which can be used as an integral washer. M10 x 1.25mm pitch fine thread can distribute the pressure of the nut on the fixed part to reduces the possibility of component damage. The M10 serrated flange nuts has a serrated appearance, so it will not loosen easily [Measuring System] ; hex width: 15 mm / 0.59 inches, self locking serrated flange and hex lock nuts digs into the material being fastened to help prevent loosening [Wide Application] These serrated flange hex nut and hexagonal serrated flange nuts can be used in industry and furniture. Such as welding, refrigerators, computers, wooden chairs, wardrobes and so on. You can use these flange nuts in anywhere you need Specification: Material: iron chrome Specification: M10 * 1.25 Quantity: 10pcs Package List: 10 * Nut Package List