... .Full experience; 3.Profession; 4.guaranteed quality. Mill liner bolts1.Material:carbon steel(low carbon steel, mid-carbon steel, alloy steel ... :Gr2,Gr5,Gr8 4.8,8.8,10.9;3.Surface:Plain,Black;4.Packing:carton+ wooden case, carton+ pallet, carton ... .Your inquiry is highly appreciated. liner,scaleboard,hammer,wear resistant material,wear liner plate