Alpen Hss Super Long Drill Bit 4.00x120/80 mm.

Alpen hss super long drill bit. -Diameter x length / spiral: 4.00 x 120/80 mm. -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.