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IRWIN Blue Groove 6X Drill Bits are ideal for drilling wood and offer 6x faster drilling penetration than a standard flat bit.
IRWIN® Blue Groove 6X Wood Bits are ideal for drilling wood and offer 6x faster drilling penetration than a standard flat bit.
The IRWIN® Blue Groove 4X Flat Bits have a patented groove point and cutting edge, designed to cut and not scrape the timber.