serrated blade/ circular blade Made from T10, 6CrW2Si, D2, LD, H13, M35, high ... tool steel. Flake knife/ industrial knife/serrated blade/Hand tool parts/ circular bladeWe are professional manufacturer on all kinds of ... blade/cutter for metallurgy industry. Knife/blade/cutter for packaging and printing industry. Knife/blade/cutter for latex industry. Knife/blade/cutter in abnormity. circular blade ...