🟢 Rubber Sprue base for use in lost wax casting process, bases can be used with solid flask as well as perforated flasks.
🟢 These rubber sprue bases are the Tapered Cone center designed for tree spruing.
🟢 The tapered cone center of the base creates a smooth and direct spout in the investment for molten metal to flow.
🟢 The center hole of the tapered button holds a 5/16", 8mm sprue wax.
🟢 The
sprue base is made of natural rubber side walls are flexible for easy fit to
the flask and assure a leak proof seal when investing for casting process.
Visit JETS INC. our ebay Store to see listings for
many other sizes and types Sprue Bases and Flasks along with Lost Wax
Casting Supplies and Accessories, including Casting Investment Powder,
Casting Injection Wax and Carving Wax along with a selection of many other Jewelers Equipment Tools and Supplies. JETSInc.
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