Speaker Grille

Perforated Speaker Grille refers to perforated metal sheet used as front grills or covers of speaker cabinets, also known as Speaker Cover or Speaker Mesh. Perforated grilles used for loudspeaker, woofer and other sound system can be supplied in stainless steel, aluminum and copper. The perforation or punched styles are slotted hole, honeycomb or circular.

 https://www.perforated-metal.net

Perforated screens for manufacturing woofer grills
Loudspeaker grille
Metal screens perforated square with the following characteristics:
Size 300 x 460 mm
Holes diameter – 2.0 mm
Thickness – 0.5 mm
Pitch 2.6 mm

Stainless Steel Grille Plate Circular Perforation

Material Stainless steel
Perforation: Circular holes
Size of holes 3mm to 4mm diameter
Thickness of plate 2mm
Size of grille (plate): 300mm X 500mm 

Speaker Cover Perforated Metal Grille
Type, tolerance and thickness can be customized
200x200 mm or other size to protect the speaker