... < 0.5mm/1000mm,Flatness <5mm/1000mm Steel RulesCutting Rule:Cross Camber< 0.05mm,Straightness< 0.5mm/1000mm,Flatness ... HRC 40-54, Edge Hardness HRC 42~54 Any angle of blade is available upon request.Wave ... 1.05/piece,1000*23.80*1.42/pieceCreasing Rule: Cross Camber <0.05mm,Straightness <0.5mm/1000mm ... 1.42,2.10)/piece 100M*Height*Thickness/coilPerforating Rule:Height tolerance ±0.04mm Hardness HRC50 ºc ...