Features 1、Galvanized Appearance: Stainless steel washers contains 684pcs/9 kinds of the most commonly used stainless steel washers 304 stainless steel, with rust proof galvanized appearance to ensure longevity use. 2、304 Stainless Steel: Flat washers use 304 stainless steel, which is corrosion resistant and durable, with high hardness, and can be used for a long time. 3、Wide Range of Applications: Hardware washer is suitable for electrical connections for household and commercial appliances, automobiles and ships, where the power supply has a threaded/bolt type connection. 4、Lightweight and Portable: Flat washers are light in weight, small in size, easy to carry and store, convenient to use, and stable in performance. 5、Easy to Install: Flat washers are easy to install, and the gasket appearance is glossy, which can reduce friction between fasteners and prevent loosening or dispersing pressure. Specification Item Type: Flat Washers Material: 304 Stainless Steel Product Standard: DIN125 Product Model: M2, M2.5, M3, M4, M5, M6, M8, M10, M12 M2: Thickness Approx. 0.3mm / 0.01in, Inner Diameter Approx. 2.2mm / 0.09in, Outer Diameter Approx. 5mm / 0.20in M2.5: Thickness Approx. 0.5mm / 0.02in, Inner Diameter Approx. 2.7mm / 0.11in, Outer Diameter Approx. 6mm / 0.24in M3: Thickness Approx. 0.5mm / 0.02in, Inner Diameter Approx. 3.2mm / 0.13in, Outer Diameter Approx. 7mm / 0.28in M4: Thickness Approx. 0.8mm / 0.03in, Inner Diameter Approx. 4.3mm / 0.17in, Outer Diameter Approx. 9mm / 0.35in M5: Thickness Approx. 1.0mm / 0.04in, Inner Diameter Approx. 5.3mm / 0.21in, Outer Diameter Approx. 10mm / 0.39in M6: Thickness Approx. 1.6mm / 0.06in, Inner Diameter Approx. 6.4mm / 0.25in, Outer Diameter Approx. 12mm / 0.47in M8: Thickness Approx. 1.6mm / 0.06in, Inner Diameter Approx. 8.4mm / 0.33in, Outer Diameter Approx. 16mm / 0.63in M10: Thickness Approx. 2mm / 0.08in, Inner Diameter Approx. 10.5mm / 0.41in, Outer Diameter Approx. 20mm / 0.79in M12: Thickness Approx. 2.5mm / 0.10in, Inner Diameter Approx. 13mm / 0.51in, Outer Diameter Approx. 24mm / 0.94in Package List 120 x M2 Stainless Steel Flat Washer 120 x M2.5 Stainless Steel Flat Washer 120 x M3 Stainless Steel Flat Washer 120 x M4 Stainless Steel Flat Washer 70 x M5 Stainless Steel Flat Washer 50 x M6 Stainless Steel Flat Washer 50 x M8 Stainless Steel Flat Washer 22 x M10 Stainless Steel Flat Washer 12 x M12 Stainless Steel Flat Washer