Rubber Round-Button (C-Style) Sprue Base – 2" Diameter (50 mm)

The Rubber Round-Button (C-Style) Sprue Base is a leak-proof, 2" diameter base designed to fit both regular and perforated flasks. It provides a stable platform to hold the sprue rod in the casting flask during investment pouring, ensuring precise alignment and minimal wobble.

Ideal for centrifugal casting and vacuum lost-wax casting processes, this base keeps the sprue rod secure while you pour. Crafted from tough, flexible rubber, it stands up to repeated use, high temperatures, and demanding workshop conditions—delivering consistent results batch after batch.

• Leak-proof construction for reliable pours
• Compatible with regular and perforated flasks for versatile setups
• Securely holds the sprue rod in the casting flask
• Suitable for centrifugal casting and vacuum lost-wax casting methods
• 2" (50 mm) diameter compact base for stable operation

Designed for reliability in workshop environments, the sprue base minimizes risk of contamination and misalignment, helping you achieve repeatable results in every batch.

Upgrade your investment casting workflow with this sturdy sprue base. Order now to streamline your pours and improve casting precision.