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Core Drill Bits High Speed Steel (HSS) Four Flute

Core Drill Bits
Used to size or enlarge a hole previously drilled, cored, punched, or other pre-formed holes. Not designed to drill from solid.

Search> Drill Bits> Core Drill Bits

High Speed Steel (HSS), Four Flute
The four flute style operates at heavier feeds than than a 2 or 3 flute drill since chiploads are spread over a greater number of cutting edges. Reduce regular drill speed 25% and double the feed rate. Larger sizes are available upon request.

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Fractional
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