Material - Made of Stainless Steel 304, Black Finish.
Performance - 304 stainless steel has great corrosion resistance in bad environment such as high temperature, cold weather, and high humidity areas, and also has superior rust resistance, excellent oxidation resistance and long service life; The stainless steel flat washer has a black oxide finish which offers nice appearance and lubrication; Easy to install.
Function - Flat washers are used under the head of a bolt or nut across the area of the support to prevent pulling through.
Widely Application - Apply for electronics, machinery, automotive, marine uses, industrial, furniture, etc.