Optic Mold N3.5-20B
Photo: Steinert Industries

Molds & Stamps

Optic Mold N3.5-20B

by Steinert Industries · Kent, Ohio, USA

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A 3.5" cast aluminum optic mold with 20 pointed ribs, closed at the bottom.

Furnace / hot shop

Model
N3.5-20B
Pattern
20 pointed ribs
Height
3.5"
Top opening
1.812"
Bottom
Closed
Material
Cast aluminum

Where to buy

Links last checked September 30, 2026.

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