high precision ing push on ing washers Specification:Washer Type: ing WasherMaterial: 304 Stainless SteelSize: M3Fit Shaft Outer Diameter: 3mmInner Diameter: 2.5mmOuter Diameter: 10mmThickness: 1.3mmPackage Content: 100(+/-2%)pcs x ing Washer Description: ing Washer provides spring force between two attachments and grip shaft firmly in place. These push-on washers create a permanent installation and will firmly. 304 Stainless steel is a good choice for spring washer due to its good corrosion resistant performance in dry environments. Widely used in machinery equipment, industrial production of shock absorption, bearings, machinery, etc. The ing Washers have teeth that dig into the shaft material, so expect minor scratching.