Rubber Round-Button (C-Style) Sprue Base — 3-1/2" Diameter

The Rubber Round-Button (C-Style) Sprue Base, with a 3-1/2 inch diameter, delivers a leak-proof foundation for your investment casting. This reliable base fits both regular and perforated flasks, ensuring a clean pour and minimal seepage. Its sturdy yet flexible design provides solid support for the sprue rod as you pour the investment, helping you maintain alignment and reduce spills.

Engineered for multiple casting methods, this base excels in centrifugal casting and vacuum lost wax casting. Constructed from tough, flexible rubber, it endures heat and handling while protecting the integrity of your investment. The material balance offers just enough give to absorb stress without compromising stability, making it a trusted tool in busy metalworking environments.

• Leak-proof design for reliable pours
• 3-1/2" diameter fits regular and perforated flasks
• Holds the sprue rod securely during investment pouring
• Suitable for centrifugal casting and vacuum lost wax casting
• Tough, flexible rubber construction for long-lasting use

Upgrade your casting setup with this essential sprue base and enjoy smoother pours and steadier results. Order now to enhance your investment casting workflow.