Irwin 87912 Spade Drill Bit, 3/4 in Dia, 4 in OAL, Flat Flute, 1/4 in Dia Shank, Hex Shank

Blue groove point and cutting edge for faster chip removal, double cutting spurs scribe the outside of the hole reducing breakout. Grooved hex shank prevents slipping in drill chuck or bit extension and fits all standard quick change chucks.Blue-groove point and cutting edge for faster chip removal and 4X faster than standard spade bitsDouble cutting spurs scribe the outside of the hole reducing breakout10% larger shank for added durabilityGrooved hex shank prevents slipping in drill chuck or bit extensionShorter bit length gets into confined spaces (between studs) where standard lengths will not fitFits all standard quick change chucks