Alpen Cobalt HSS Stub Drill Bit 4.2mm (Short)

The Alpen Cobalt HSS PZ-Cobalt stub drill bit (4.2mm × 55mm) is designed for precision drilling in steel, cast iron, and general metalworking applications. The cobalt-enriched HSS formula delivers superior heat resistance and extended tool life compared to standard HSS, making it ideal for high-speed production runs and demanding trade environments. Perfect for electricians, metalworkers, and maintenance professionals requiring reliable short-length drill bits for confined spaces.