Description
Prentice or Silver & Deming (S&D): S&D drills are designed with 1/2″ shanks, to fit 1/2″ drill chucks.
Used in both drill presses and portable drills where the drill diameter is larger than chuck available.
This Fractional Inch Prentice Drills – Precision Drill Bit Collection is a curated choice in our Drills line, providing both quality and value.
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