RED FIBRE FLAT SEALING WASHERS SEAL WASHER METRIC M3 M4 M5 M6 M8 M10 M12 M16 M20

M16; I/d 17mm, o/d 30mm, 1.8mm thick. M8; I/d 8.4mm, o/d 16mm, 1.6mm thick. M12; I/d 13mm, o/d 24mm, 1.6mm thick. M10; I/d 10.5mm, o/d 20mm, 1.6mm thick. M4; I/d 4.3mm, o/d 9mm, 0.8mm thick. M20; I/d 21mm, o/d 37mm, 1.8mm thick.