Blackthorn can manufacture any small to medium size precast concrete mold out of heavy-duty steel.

We “SPEAK PRECAST” – all our steel molds are CUSTOM MADE to your exact specifications with the unique demands of precast concrete in mind. Let us be your custom metal fab shop!



Valve Ring Mold w/ four (4) steel tapered pins

2×2 Steel Extension Mold .. w/ legs, joint former “lid,” & hinged collapsible walls.


Gang Mold for Concrete “plugs”