Sprue Former -Zinc 3/4" (Large)
Part Number T08-115-.750
Sprue Former -Zinc 3/4" (Large)
Sprue Former -Zinc 3/4' (Large)
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Eliminate the need to hand cut sprues by placing one of these  Zinc  sprue formers in the center of the unvulcanized mold.

 

The center sprue is necessary to provide an entrance for casting material flowing into the mold.

 

1/2” SPRUE FORMER ZINC (SMALL)

 

3/4” SPRUE FORMER ZINC (LARGE)