Spring washers

KNOTT spring ring Ø18,5 is used in combination with flat collar nut M18x1,5 on the press bolts of axles that are equipped with wheel brake 30-2355, 30-2261, 30-4302, 30-3129, 30-4305, 30-4306, 30-4307 , 30-1605/1 and 632,5-4301