Quick view M5 Flat Washers, DIN 125 Type B / ISO 7090, Steel The nominal diameter is the bolt size to use for this flat washer.Diameter (Nominal): M5Inside Diameter (Nominal): 5.3mmOutside Diameter (Nominal): 10mmThickness (Nominal): 1mmProduct Class: WashersOrder: Flat WashersCategory: Standard Flat... $183.77 Select Quantity Compare