... High speed steel(W18,W9,W6,W5,W2)Planer knife1.Main applicationUsed widly in making all kinds of knife, also for cold work ... moulds with high precision, long service life requirements, such as punching die, cold ... .DeliveryMill deliver condition,without sawing or cutting 5.Steel grade: W18=T1 W6=M2 HSS for Making Knife(W18,W9,W6,W5,W2)