Flasks & Bases
A collection page of Otto Frei
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Published
2022/08/18
About
Casting flasks and sprue bases for investment and sand casting. Solid stainless steel flasks from 1-3/4" up to 4" x 6", perforated flasks for vacuum casting, rubber sleeves, and flask extenders. Sprue bases come in tree and button styles from 1-1/4" to 5". Match the base diameter to your flask diameter for a proper seal. Brands include Otto Frei, Grobet USA, and Ti-Cast.