Rubber Cone Tree Sprue Base (CT-Style) – 3-1/2" Diameter

The Rubber Cone Tree Sprue Base (CT-Style) with a 3-1/2" diameter is a leak-proof solution for centrifugal casting and vacuum lost wax casting processes. Crafted from natural rubber, it delivers dependable performance under high heat and resin flow, helping you maintain clean mold boundaries and consistent tree positioning.

Designed to fit both regular and perforated flasks, this base securely holds 5/16"–3/8" tree in place, minimizing movement during vibration or rotation. Its CT-Style geometry ensures reliable alignment across casting setups, reducing flaws and waste.

• Leak-proof design for steady pouring and reduced seepage
• 3-1/2" diameter fits standard medium flasks
• Natural rubber construction provides flexibility and resistance to heat
• CT-Style sprue base optimized for centrifugal and vacuum lost wax casting
• Secure tree clamp holds 5/16"–3/8" trees firmly
• Compatible with regular and perforated flasks for versatile use

Equip your casting setup with a dependable rubber cone tree sprue base and simplify your process. Add to your toolkit today and improve yield and consistency in every pour.