Next-generation SPEEDBOR® Spade Bits feature a patented Blue-Groove cutting edge which allows for aggressive removal of wood chips and fast drilling.
- Patented Blue Groove parabolic scoop for faster chip removal
- Designed for impact drivers with 1/4-in impact rated shank
- Application: Drilling holes through clean wood
- Includes (1) IRWIN SPEEDBOR Spade Bit 5/16-in x 6-in
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