Punched steel sheet 1.Meterial:galvanized sheet 2.Hole size:0.8mm-100mm 3.:Thickness:0.3-20mm 4.Length:1-20m Punched steel sheet Material: galvanized sheet, stainless steel sheet, aluminum sheet,copper sheet ,Opening type: round hole, square opening, rectangle opening,Slot hole, hexagonal Pattern: straight line, staggered patternPacking; wooden palletUsed: widely used in the core of filter, ...