Alpen Hss Super Long Drill Bit 4.00 mm. (Blister 1 piece)

Super long Alpen hss drill bit (one piece blister). -Diameter: 4. 00mm. -Precision grinding, minimum tolerances, maximum concentricity precision. -Precise milling due to its optimized sharpening of the tip. -Made of top quality steel. -Resistant to breakage, due to controlled heat treatment. -Suitable for construction steels, easy-cutting steels, unalloyed steels, copper, brass, aluminum and plastic.