3mm to 25mm Die Casting Airvents are important die casting parts, which are used to allow air, gas, and molten metal to escape from the cavity of the mold during the casting process. The castings are usually available in different diameters, such as 3mm to 25mm, depending on the size of the mold, the material, and the configuration of the part. This process ensures smoother processes, better-quality parts, and longer mold life on the part of the manufacturer with optimized air vent design and positioning. 3mm to 25mm die casting airvents ensure proper fill of the mould without entraining air or other gases that create defects like voids, porosity, and incomplete fills on the final cast part.