2PC Irwin 87908 Speedbor 1/2 By 4 Inch Flat Wood Boring Spade Bit

Key Features;Blue-groove point and cutting edge for faster chip removal and 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 bit extension;Shorter bit length gets into confined spaces (between studs) where standard lengths will not fit;Fits all standard quick change chucks;Speedbor short length flat wood spade bit. 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.