This listing is for new Thick Flat Washers. These are made from Zinc Plated Steel and conform to industry standard DIN 7349 specifications. Made from Low Carbon Steel and Coated with CR+3 Zinc (RoHS). Available sizes : 4mm (M4), 5mm (M5), 6mm (M6), 8mm (M8), 10mm (M10), 12mm (M12) Specification sheet for each item below :