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Size #1 Sprue Former for 1" Molds - 1 5/8" x 5/8" Placed in the center hole of the unvulcanized rubber or silicone prior to vulcanization to form and retain center sprue during the vulcanizing process.
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A 1-inch sprue former (1-5/8" x 5/8") for creating the metal entry point in centrifugal molds. This essential tool ensures a consistent path for molten metal to enter your mold cavities.
Placed in the center hole of the unvulcanized rubber or silicone prior to vulcanization to form and retain center sprue during the vulcanizing process. Designed for 1 molds.
- Model: #1 Dimensions/Thickness: 1-5/8 x 5/8" Country of Origin: United States
