Optic Mold 4-6-20B
Photo: Steinert Industries

Molds & Stamps

Optic Mold 4-6-20B

by Steinert Industries · Kent, Ohio, USA

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A 4" cast aluminum optic mold with 20 ribs, closed at the bottom.

Furnace / hot shop

Model
4-6-20B
Pattern
20 ribs
Height
4"
Top opening
2-3/4"
Bottom
Closed
Material
Cast aluminum

Where to buy

Links last checked September 30, 2026.

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