uxcell M5 5mm Flat Head Screw Bolt Aluminum Countersunk Washers Silver Tone 12 Pcs Go to amazon.com Related posts The 8 best countersunk washer FeatureProduct Name : Countersunk Washer;Internal Diameter : 5mm/0.2"External Diameter : 12mm/0.47";Thickness : 3mm/0.12"Material : Aluminum;Color : Silver ToneNet Weight : 8gPackage Content : 12xCountersunk Washer DescriptionMade ofAluminummaterial, an ideal replacement for damaged washer in your machine, or other things.