perforated metal sheet hole shape is various ISO certificated ... processing, and petrochemical industriesIt can be made in a range of round, square, slotted, or hexagon ... including cutting, annealing, slitting, forming, bending with a return or radiused and weldingCut pieces of mesh ... and moreAperture:In general it is advisable to use a hole size larger than the material thicknessThe closer the ...