Alpen HSS Super Drill Bit 4.2mm – Bright Steel

The Alpen HSS Super Drill Bit 4.2mm is a bright steel twist drill designed for precision drilling in steel, stainless steel, and ferrous metals. With a 75mm overall length and 43mm flute length, this high-speed steel bit delivers superior performance and extended tool life compared to standard HSS drills. Ideal for electrical installation, panel building, and general metalwork requiring reliable repeatability and accuracy.