Perforated metal Perforated metal is a metal stamp process for any metal material which may include steel, aluminum stainless steel, galvanized, bronze, etc. Perforated metal is effectively used in many industries and applications such as industrial processes and machinery, food processing, building & construction, agriculture, communications industry, automotive industry, industrial hardware & home. Iron hole plate 0.8 mm 4x8 lob 10 mm stairs. Perforated plate 0.8 mm 4x8 lob 5 mm Steel hole plate 0.8 mm 4x8 lib 2 mm # WA: 081315497375 (Rini)