metal mesh perforated speaker grill/perforated metal mesh/perforated sheet metal /perforated metal
A. material:stainless steel sheet , .galvanized iron sheet , alluminum sheet .ect
B.size of the perforated speaker grill
coil metal :1x15m, 1x30m
flat metal :1x2m, 1.25x2.5m, 1.5mx2m, 1mx2.5m ect
C.thickness of the sheet :1--3mm
D. the Margins
you can leave the margins for each side , or can do as your need
E. the arrange type of the hole
straight and staggered
F. the processing of the perforated metal
Die ----perforating -----slitting----shearing ---roller leveling---clean ----packing
G.THE usual specification of round hole specification Plates Net thickness
(mm) Aperture
(mm) Pitch
(mm) Net Width
(m) Net Long
(m) Punching rate
(%) weight
(kg/m2) Volume
Plate 0.2 6 2 1 20 44 0.88 0.35 5 4 1 20 24 2 0.45 6 3 1 20 35 2.5 0.8 3 3 1 20 19.6 3 Flat 0.5 1 1 1 2 19.6 3.14 0.8 1.5 1.5 1 2 19.6 5 1.5 2 2 1 2 19.6 9.4 3 5 16 1 2 19.6 18.8 Stainless steel plate 0.5 1 1 1 2 19.6 3.14 0.8 1.5 1.5 1 2 19.6 5 1 2 2 1 2 19.6 6.28 2 5 16 1 2 19.6 6.28 Aluminum 0.5 1 1 1 2 19.6 1.08 0.8 3 3 1 2 19.6 1.72 1.5 2 2 1 2 19.6 3.24 2 4 16 1 2 19.6 4.23
