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. M4,M5,M6,M8 A2 Stainless Steel.
THICK FORM A DIN125 A2 STAINLESS STEEL FLAT WASHERS M3 M4 M5 M6 M8 M10 M12
FORM A FLAT BLACK THICK NEOPRENE RUBBER WASHERS - M3 M4 M5 M6 M8 M10 M12 M16 M20
BLACK FLAT THICK NEOPRENE RUBBER WASHERS - M3 M4 M5 M6 M8 M10 M12 M16 M20
50 x ASSORTED FORM A BLACK NEOPRENE THICK RUBBER WASHERS M3 M4 M5 M6 M8 M10 KIT
195x Nylon Washers Set Flat Sealing Gasket Assortment Kit M3 M4 M5 M6 M8 M10 M12
NYLON WASHERS FORM A FLAT PLASTIC WASHER M2.5,M3,M4,M5,M6,M8,M10,M12,M16,M20