The JIS Series of wear plate fully meets the Japanese Industrial Standard. They are 20mm thick and available in plain steel, steel with graphite plugs and bronze with graphite plugs. The bronze and steel with graphite plugs are self-lubricating products and do not require lubrication during production. They are supplied with two or four mounting holes to accommodate M10 S.H.C.S. For ease of identification, all products are marked with the part number.