... )Usage: Carbon steel/ Stainless steel 4)Size:M3-M48 DIN127 spring washerStyle:DIN127A / DIN127BMaterial : Carbon steel/ Stainless steelSurface:Zinc plated / Yellow ... customers requirements!We can also supply produces include different standars of spring washer DIN128, DIN137, DIN6796, DIN6904,DIN7980, BS4464, BS1802, ANSI/ASME ... , please feel free to contact with us, thank you. standard Spring Washer