4-1/2" Drill Head

The Cruciform™ Drill Head has Tungsten Carbide knobs which grind away at concrete, much like the carbide slots on single piece hammer drill bits. For deep drilling, choose a Drill Head according to the size hole you require. Cruciform™ Drill Heads are interchangeable with all Adapters and Extensions. Using a Pilot Drill Bit, Cruciform™ Drill Heads can Fasten directly onto an Adapter when drilling under 3-1/2” deep.
Unit of Measure



N/A Cruciform™


N/A Spiral Flutes cannot be used with this diameter.

Overall Length

N/A 1-1/2 "

Drill Head Size

N/A 4-1/2 "

our Mission

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