... .5 mm thick stainless steel plate can be blunt the hole diameter of 0.5 mm).Choose stainless steel, aluminum, ... copper, steel board, PVC film materials, shape: long hole, square hole, round hole, tureet, holes, tensile abnormal scales.Products are widely used ... offer convenienceThe diameter of holes,.B, to the side of hole.C, the thickness of the steel plateD, overall length, widthE, ...