... sheet 2.Hole diameter:0.8-10mm 3.Thickness:0.1-3mm 4. hole:round,squar,hex,slot Type stainless steel ... ,321,347H,409,409L,410,420,430 etcBrandTISCO ,BISCO, etcSurcaceNO.1, NO.2D, NO.2B, BA,NO.3, NO.4, ... petrochemical industries GaugeHolesCentersOpen Area %30.026".045"20%261/32"1/16"22%26.033".055"STRAIGHT29%243/64"3/32 ... 20,16,14,111/2"11/16"48%113/4"1"51%ABOUT US :We are a specialized trade company and ...