Thread Dia: M18 ; Thread Pitch:2.5mm. Height: 18mm/0.7"; Pitch: 2.5mm Width Across Flats: 26mm/ 1". Made of 304 stainless steel, rust resistance and durable to use.. With a nylon insert, these lock nuts greatly reduce loosening under vibrations and torque.. Can be widely used in door, construction machinery, shipbuilding and etc..
