50 McGrath Road P.O. Box 670 Dracut, MA 01826Toll Free 1 (800) 343-0001Fax 1 (978) 452-9988

Distributor of Building Materials since 1847

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      Structural Lock System Components

      Lock System

      Originally, our patented Lock System was designed for our concrete filled and hollow adjustable lally columns.

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      Lock Column

      Our patented Lally Lock columns are concrete-filled and are available in 3 1/2″ or 4″ outside diameter.

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      Our system allows users to simply screw in any of our cap plates into a 6″ threaded rod.

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      Our base plates are designed to disperse a wide range of load configurations.

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      Our columns come 3″ & 4″ in diameter and are constructed using 11 gauge steel.

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