Amazon.com: Zkenshan-washers M3 X 6mm X 0.5mm M3x6x0.5 New White Black Nylon Flat Washer Plastic Insulation Plain Ring Gasket, 100Pcs, Good wear Resistance (Inner Diameter : White) : Industrial & Scientific
Dowty Washer M18 - MDM parts
1000 Unterlegscheiben DIN 125 Form A - für M6 - Aussen-Ø=12mm - verzinkt-2301 06