... used in the core of filter, medicine, filtering, breeding, battery, mechanical protecting, making the crafts, the meshes for the high-grade ... . Specifications:Round Hole Perforated Metal Hole Size:0.2MM --- 300MMRound Hole Perforated Metal Thickness:0.05 MM -- 10 MMRound Hole Perforated Metal Sheet ... /4"6.35mm3/8"0.033-0.111", 0.25"0.84-2.82mm, 6.35mm40.00%3/8"9.52mm½"0.053-0.082", 3/16 ...