IMS stocks 304 stainless perforated sheet in a staggered hole pattern. Staggered holed sheets comes in several thicknesses and different hole size depending on your needs. See the chart above for the various options you have when purchasing 304 SS perforated sheet. In the Hole Size column the first number is the size of the actual hole and the second size is how far apart the holes are from the center of one hole to the center of the next hole.