Quick view M10 Flat Washers, DIN 125 Type B / ISO 7090, Steel The nominal diameter is the bolt size to use for this flat washer.Diameter (Nominal): M10Inside Diameter (Nominal): 10.5mmOutside Diameter (Nominal): 20mmThickness (Nominal): 2mmProduct Class: WashersOrder: Flat WashersCategory: Standard Flat... $187.56 Select Quantity Compare