... -3mm 4. hole:round,squar,hex,slot Type stainless steel perforated sheet/plate/Hole patternsround,rectangle,square,oval, hex,slot ,etcStandardJIS, AISI, ASTM, ... trade company and can provide all the kinds of the stainless steel products as you need .We have established a good ... ARE GUARANTEED BY OUR BEST PRICE AND QUALITY WELCOME TO STEEL SHUN .CO.LTD aisi 316L stainless steel perforated sheet/plate