Irwin® Speedbor® 3041005 Max Speed™ Standard Length Spade Bit, 7/8 in dia, 6 in OAL, 2-5/8 in L, 1/4 in Shank

The Irwin® Speedbor® 7/8-by- 6-in MAX spade bit is a fast Speedbor® spade bit that features a Tri-foil design with a fast chip ejection. The Speedbor® MAX has cutting spurs with three cutting edges for added durability, as well as a full screw tip allows the bit to self feed. The grooved hex shank prevents slipping in drill chuck or bit extension, while the bit itself fits all standard 1/4-in quick change chucks.