DRILL BIT SET SPEEDBOR MAX 6PC IRWIN IWAX23 1/2″-1-1/4″

6 piece, speedbor max drill bit set, includes 1/2″, 5/8″, 3/4″, 7/8″, 1″ & 1-1/4″ sizes, standard length, tri-flute design for faster chip ejection, cutting spurs have 3 cutting edges for added durability, full screw tip allows bit to self feed, grooved hex shank prevents slipping in drill chuck or bit extension, fits all standard 1/4″ quick change chucks.