... , square hole, round hole, oblong hole, 2) Thicknes:0.5mm-4.0mm Product details : 1) Hole shape: square, round, oblong, triangle 2) Thickness ... : 0.6-3.0mm 3) Materials: stainless steel 304/ ... steel, aluminum, copper, brass, cold rolling steel, hot rolling steel 4) Dimension: 1000*2000(mm) or 1220*2440 (mm) Our products ...