Extensions are necessary only for drilling holes deeper than 3-1/2” for the Cruciform™ Drill Head, or 5” for the Ratio Core Bit. All Extensions are interchangeable with each other, and can accommodate any Adapter, Pilot Drill Bit, Cruciform™ Drill Head or Ratio Core Bit.
Unit of Measure



N/A For Drill Head & Core Bit.


N/A 11 "

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Our goal is to maximize growth in the construction industry by providing the best customer support possible. Our tools to achieve this goal are the proper selection of quality products delivered on time, with in-house service of all products supplied, and committed dedicated employees.

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