RED FIBRE FLAT SEALING WASHERS M2 M2.5 M3 M3.5 M4 M5 M6 M8 Flat Seal Washer
M2 M2.5 M3 M3.5 M4 M5 M6 M8. RED FIBRE FLAT SEALING WASHERS Flat Seal Washer. Good Insulator. Red Fibre Wahers. ♥ Screw Insulating Washers: Used in fixing screws to provide insulating protection against current conduction through the screws.