Small O.D. Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 433, Material Steel, Material Grade/Class Case Hardened, Finish Zinc-Plated, For Screw Size M8, Inside Diameter 8.62 mm, Outside Diameter 15 mm, Maximum Thickness 1.8 mm, System of Measurement Metric, Minimum Thickness 1.4 mm, Material Quality Standards Not Applicable, Maximum Temperature 302 Degrees F, Minimum Temperature -58 Degrees F, Pack Size Small Pack, Package Quantity 100