Rubber Round-Button (C-Style) Sprue Base, 3" Diameter 80 mm

The Rubber Round-Button (C-Style) Sprue Base, 3" Diameter 80 mm is engineered to deliver dependable, leak-proof performance in investment casting. This versatile base is designed to fit both regular and perforated flasks, ensuring a stable platform during the critical pour sequence. Built from tough, flexible rubber, it resists heat and wear, providing long-lasting service in busy casting shops.

Use it to hold the sprue rod in the casting flask as you pour the investment, helping maintain alignment and reduce drift. The compact, round-button design makes it easy to position and remove, while preserving a clean finish on your casting work. This base excels in centrifugal casting and vacuum lost wax casting processes where reliability matters most.

Key features:

• Diameter 3" (80 mm) round-button base for stable sprue support
• Leak-proof design fits both regular and perforated flasks
• Holds the sprue rod securely during investment pouring
• Ideal for centrifugal casting and vacuum lost wax casting
• Tough, flexible rubber withstands heat and repeated use

Add to cart today to streamline your investment casting workflow and achieve cleaner pours with every cast.