Rubber Donut Sprue Base, 2" The Rubber Donut Sprue Base, 2" is a versatile tool designed for precise, leak-proof support in centrifugal casting and vacuum lost wax workflows. Fill the center with wax or modeling clay to secure your mold, and it securely holds a 2" Dia. flask for consistent results. Made from natural rubber, this sprue base fits both regular and perforated flasks, providing durable performance across demanding casting sessions. It minimizes spills and helps maintain clean surfaces during the waxing and casting process, making it an essential accessory for hobbyists and professionals alike. Fill the center with wax or modeling clay for a stable, leak-proof setup Holds a 2" Dia. flask for consistent, repeatable results Leak-proof design keeps work area clean during centrifugal casting and vacuum lost wax casting Compatible with regular and perforated flasks Durable natural rubber for longevity Enhance your casting workflow with a reliable sprue base—add to cart today and streamline your next project.
