Shanghai Jinrui Norm Parts Supplies Co.,Ltd

Date: 27th May 2016
DIN Flat Washer
DIN standard flat washer ?covers the dimensional requirments of metric series FLAT WASHER.The standard of DIN standard flat washer ?is DIN125 and DIN9021,Website:, ?the former is nomal flat washer and the second is large washer the flat washer is widely used, mainly goes with bolt and screw. The mechanical property has 100HV, 140HV, 200HV and 300HV.?StandardGradeFinshDIN125 DIN9021100HV? ? ?white zinc ? ? ?yellow zinc black oxide ? ? ?H.D.G ? ? ? Dacromet ? ? ?...140HV200HV300HV