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Round Hole Perforated Metal

Round perforated is a sheet or coil of material made from metal or plastic that contains holes punched by a die. The shape of the hole is determined by the shape of the die. For perforated with a round hole pattern, the die is circular. The die’s diameter can vary from approximately twice the thickness of the material being punched to over two inches.

Round hole perforated sheets are the most common and most requested. There are several types of hole diameters: very small, medium and large size. Hole pattern is of primary importance: the most popular arrangement is the 60 degree angle pattern, which combines a high rigidity and a decent proportion between open and full areas. The 90° pattern is equally  popular, above all for aesthetic needs whereas the 45° pattern is now almost disused.

Another important technical detail to consider is the pitch, which is the minimum distance between the centers of two adjacent holes.

    When ordering, it's necessary to provide
  • The number of requested sheets,
  • Their dimensions (standard  shape or special order),
  • Material,
  • Thickness,
  • Hole dimension,
  • Edges ,
  • Pitch,
  • And the potential non-perforated area.

Typical applications of round hole perforated metal:

  • Wall & ceiling panels 
  • Decorative banisters 
  • Architectural finishes 
  • Sunshades
  • Air conditioning grilles

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