Perforated sheet materials are used as screens in separators, walkways, sunscreens, ventilation, and decorative coverings. They are constructed by machining or punching holes in a piece of sheet metal ...
Description: This polypropylene perforated sheet has straight rows of holes that are 1/4" in diameter and holes are on 1/2" centers (center of one hole to the center of the next hole). There are 4 ...