круглое отверстие перфорированной металлической,

Perforated Metal Perforated metal with high quality and favorable price Aperture:0.8mm 25mm Pitch:2mm 34mm Punching rate:15% 49% Perforated metal Uses Filter; fence; protective enclosures; basket; shelves; screens; loudspeakers; ventilation exhaust port; decorations; lighting devices; sound control panel; fences; sub-sample sieve; ceilings; Filter Material:stainless steel Plate Perforated metal Opening: Round, oval, triangle, square, rectangular, diamond, hexagonal and other special shape plates Thickness<mm> aperture pitch length width Punching rate% weight Stainless steel punching hole mesh 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 Principles: Quality First, Reputation First, Customers' ...