Perforated Metal Opening Patterns

Round opening in different layout

 

a - hole diameter, mm
t - the distance between holes, mm
F - Opening rate%
BxL - the largest size area mm

Round, parallel

 

a - hole diameter, mm
t - the distance between holes, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Rectangular

 

a - hole the size mm a
t 1 - Vertical opening distance, mm 
t 2 - horizontal opening distance, mm 
F - Opening rate%
BxL - the largest size area mm 
b - sheet metal thickness

Rectangular Opening II

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Rectangular opening symmetry

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Triangular

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Within the circle of turbot

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Squeeze half

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Square hole

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

 

a - hole the size mm
t 1 - Vertical opening distance, mm
t 2 - horizontal opening distance, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Special pass

 

axS short-x-hole, mm 
t 3 - horizontal distance between holes, mm 
t 4 - vertical hole spacing, mm 
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

 

axS short-x-hole, mm
  t - the distance between holes, mm 
F - Opening rate% 
BxL - the largest size area mm
b - sheet metal thickness

Plum Flower Shape Opening

 

Prominent type


h - prominent thickness
a - hole diameter, mm 
t - t - the distance between holes, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness

Square


h - prominent thickness
a - aperture, mm
t - the distance between holes, mm
F - Opening rate%
BxL - the largest size area mm
b - sheet metal thickness