Alpen Cobalt Nirosta 3 Drill Bit, 50 mm. (Blister 1 Piece)

Alpen Cobalt Nirosta 3 Drill Bit, 50 mm. ( Blister 1 Piece). -Diameter: 3.5mm. -Special sharpening that guarantees optimal chip evacuation. -Great cutting precision and optimal self-centering. -Higher feed and drilling speed. -Especially suitable for tough and hard materials, such as stainless and acid-resistant chrome-nickel steels. -Made with cobalt, which is a very hard material, which provides great resistance to breakage and high temperatures.