Galvanized Slotted Hole Punched Sheet Metal 1.thick:0.2-12mm 2.open area:10%- ... .5m-3m 4.shape:Round, Square Galvanized Slotted Hole Punched Sheet Metal Punch Metal /Punched Metal/perforated metalMaterialCarbon steel, Aluminum, Brass ... /perforated metal,please contact us without hesitate,Tell us the Materials,Hole shap,Thinckness,Diameter, and Packing ,etc you need.It ...