material:stainless steel plate,aluminum board, etc sheet thinkness:0.2-3mm hole diameter:1-6mm hole shape: square, round, Material: mild steel sheet, stainless steel sheet, monel sheet, copper sheet, brass sheet, aluminum sheetThickness0.1-3mmHole patternround, square, hexagonal, scale, rectangular, triangle, cross, slottedHole diameter:0.8-10mmStandard plate size: 1m×2m, 3×8 , 4×8, 3×10 , 4× ...