The FINISH WASHER COUNTER-SUNK SS #10 is specifically crafted for use with flat or oval head screws, providing optimal support for countersunk applications. Made from durable stainless steel, this washer ensures resistance to corrosion and wear, making it ideal for industrial and automotive environments. With its increased bearing area, it helps distribute load evenly, preventing material deformation and promoting a polished appearance in finished assemblies. Suitable for various fastening projects requiring a reliable and aesthetically pleasing solution.