[M8]

■ Shape: Rosette Washer
Round washers with mortar shape with recessed center Also called "Yamagata Washer".
Rosette washers are special washers for screws with "Sarah shape" head such as flat machine screws and sarah caps. This washers eliminates the need for ragging to the original material and makes it look stylish.

■Material: Low cadmium brass
Earth friendly brass with a low concentration control of the cadmium content prescribed by RoHS Directive as a Hazardous Usage Restrictive Substances.
The mechanical properties are identical to regular brass, with excellent conductivity and corrosion resistance.
Surface treatments such as nickel plating provide better corrosion resistance and decorative appearance.

■Surface treatment: fabric
Surface treatment/plating is untreated.
Therefore, corrosion resistance and appearance are the characteristics and color of the material itself.