Whether you drill with the Cruciform™ Drill Head or the Ratio Core Bit, a Pilot Drill Bit is necessary. The Pilot Drill Bit fastens the Drill Head or Core Bit onto the Extensions. The Pilot Drill bit also ensures you are drilling in a straight line. Use only the 1/2” x 6” Pilot Drill Bit for the Ratio Core Bit.
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Item #


Drill Size

Overall Length

800RP124 N/A Pilot N/A 5/8 " N/A 4-3/4 "
800RP174 N/A Pilot N/A 5/8 " N/A 6-3/4 "
800RP255 N/A Pilot N/A 1/2 " N/A 6 "
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our Mission

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.

We measure our success by satisfied customers and employees embracing the mission.

BBB | Accreited Business