This set of 100 polyamide flat washers is a necessary component to ensure sealing in the assembly of treated parts. Indeed a washer is a disc widely used in mechanics to undergo the pressure of a bolt permanently. The nylon washer is located between the head of the screw/bolt and the part to be tightened. Recommended: these polyamide washers are suitable for the assembly of light materials Dimensions: Size: M10. Outside diameter: 20mm. Thickness: 2.3mm. DIN 125. Unit weight: 0.50 g. Main color: white. Material: made of polyamide for better resistance to rust These polyamide washers offer you good mechanical properties, but also perfect resistance to oxidation. Invented for your comfort of use, these polyamide washers improve your work by meeting various needs - taps, plumbing By completing your toolbox with this set of polyamide washers, you would be ready meet mechanical requirements. The advantage: the washers are especially recognized for their flexibility and long-term effectiveness Flat washers for exterior and interior use. The washers are suitable for aluminum and for steel. Flat washers are widely used in household and commercial appliances