DeWALT DW2712 Drill Bit, 3/16 in Dia, 3-3/4 in OAL, Countersink, Spiral Flute, 4-Flute, 1/8 in Dia Shank

Multi-cutter countersinks for great finish in applications such as deburring and chamfering in iron, steel, soft metal, plastic, wood and other machine-able materials. Black oxide split-point drill bits start on contact.