Spade
Speedbor Blue Groove Crill Bit-Bulk, 1/2″ Diameter, 6″ Length Speedbor Blue Groove Crill Bits have a point and cutting edge for faster chip removal 4x faster than standard spade bits. Double cutting spurs scribe the outside of the hole reducing breakout. 10% larger shank for added durability. Grooved hex shank prevents slipping in drill chuck or extension. Fits all standard quick change chucks.
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