Flat Washer, Flat Washer Type Standard, Dimensional Standards DIN 125-1A, Material Stainless Steel, Material Grade/Class 18-8, Finish Plain, For Screw Size M27, Inside Diameter 28.33 mm, Outside Diameter 50 mm, Maximum Thickness 4.3 mm, System of Measurement Metric, Minimum Thickness 3.7 mm, Material Quality Standards 140-250 HV2, Maximum Temperature 302 Degrees F, Minimum Temperature -58 Degrees F, Pack Size Small Pack, Package Quantity 5