Alpen Cobalt HSS Stub Drill Bit 3.5mm – Short Length

Alpen Cobalt HSS stub drill bit sized 3.5 mm diameter with short 52 mm overall length for precision drilling in steel, cast iron, and stainless steel. Cobalt-enhanced high-speed steel (PZ-COBALT) provides superior heat resistance and extended tool life in high-speed applications. Ideal for electrical installation, panel drilling, and general trade metalworking.