Flat washers DIN 125-A / UNI 6592 R40/HV100 M20 Inside diameter: 21mm Outside diameter: 37mm Thickness: 4mm 30.000 pcs. Flat washers DIN 125-A / UNI 6592 R40/HV100 M24 Inside diameter: 25mm Outside diameter: 44mm Thickness: 4mm 5.000 pcs.