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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 have a round Cone center designed for tree spruing.
The center hole of the cone 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.
The bottom of the base is ribbed to prevent sliding on wet surfaces.
SPECIFICATIONS: JETS Product # 0307-240
- Material: Natural Rubber
- Flask Diameter: 4" - 100mm
- Center Hole Diameter: 5/16" - 8mm
- Center Cone Diameter: 1-3/48" - 44.5mm
- Weight of Sprue Base: 6.6oz - 187gr
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Country of Origin India
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