Speedbor® Blue Groove Crill Bit-Bulk, 5/8" 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.