The FG INOX Stainless steel washers are available with diameters from 1.7 to 43 mm and in sizes M1.6 to M42. These units are separated based on their inner diameter, outside diameter, thickness and standardized nomenclature and include: 1.7-4-0.30 - M1.6, 2.2-5-0.30 - M2, 2.7-6-0.50 - M2.5, 3.2-7-0.50 - M3, 3.7-8-0.50 - M3.5, 4.3-9-0.80 - M4, 5.3-10-1 - M5, 6.4-12-1.6 - M6, 7.4-14-1.6 - M7, 8.4-16-1.6 - M8, 10.5-20-2 - M10, 13-24-2.5 - M12, 15-28-2.5 - M14, 17-30-3 - M16, 19-34-3 - M18, 21-37-3 - M20, 23-39-3 - M22, 25-44-4 - M24, 28-50-4 - M27, 31-56-4 - M30, 34-60-5 - M33, 37-66-5 - M36, 40-72-6 - M39 and 43-78-7 - M42.