There are several production tolerances and options that pertain to perforated material. They are, however, dependent on whether the material is produced into sheet, coil, or tube form. The table to your right shows which tolerances and options apply to each product.

Tolerances Sheet Coil Tube
Hole & bar size yes yes yes
Burr size yes yes yes
Camber yes yes no
Flatness yes no no
Shearing yes no no
Slitting no yes no
Squareness yes no no
Options Sheet Coil Tube
Dimple holes yes yes yes
Blank areas yes yes yes
Locator holes yes yes yes
End margins
- finished &
unfinished 		yes yes yes
Inner & outer
diameter size 		no yes no
Rewind direction no yes no
Length/Splicing no yes no
Degreasing yes yes no
Fabricating yes no yes
Finishing yes no yes
Packaging yes yes yes
Labeling yes yes yes