Description:

Thread Dia: M12 ; Thread Pitch:1.25mm. Hex Size: 19 x 8mm / 0.75" x 0.31" (W*T); Total Height: 12mm / 0.47". 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..