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Round Holes

 

 
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.
 
 
       
     60°Round Hole              90°Round Hole            45° Round Hole
 
Another important technical detail to consider is the pitch (interaxis), which is the minimum distance between the centers of two adjacent holes.
Unless otherwise specified, standard pitch is usually proposed.
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 ( interaxis) ,
  • and the potential non-perforated area.
 fori piccolissimi mm 0,4- 0,5ai fori più comuni mm 10 -15 - 20...a quelli un po' più grandi mm 30- 40 - 50 ...fino ai fori grandissimi mm 150-200
From the smallest to the biggest hole...

 

 

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