PRODUCT DETAILS Click an item to expand and learn more Overview Countersink for Boring MachinesWith Slow Spiral, HSS M2 DIN 338 Fully Ground DrillDrills and countersinks in one step. Available in two sizes, each complete with the drill bit and Allen wrench for easy bit replacement. Carbide tipped 2 Flute Industrial qualityNot to be used in portable drills or handheld routers. Reviews Questions and Answers