The ARP stainless steel general purpose washer has a .410" inner diameter sized for M10 and is sold as a 10-pack. These SS washers offer a consistent bearing surface to help distribute fastening loads and resist corrosion in environments where stainless hardware is preferred. The 10-piece pack supports larger assembly or repair jobs that require multiple M10-sized washers.
ARP .410 ID M10 OD SS General Purpose Washer - 10 Pack