Description
Prior to vulcanizing a spin casting mold, a Center Plug is placed in the center of the rubber disc. After vulcanizing, the Center Plug is removed and the resulting cavity forms the center sprue during casting.
| Item # | Fits | Price | Qty |
|---|---|---|---|
| 1″ thick molds | |||
| 2″ thick molds | |||
| 3″ thick molds |
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