RUKO Drill Bits & Parts Step drill bit 616459 - RUKO 101651P, RUKO's 101651P step drill bit is crafted from high-speed steel (HSS) for durability. This 6 - 20 mm quick-helix drill bit, with a total length of 70 mm, is ideal for drilling through sheet metal. It is designed for precision and efficiency in various metalworking applications. RUKO 101651P Step Drill Bit 6-20mm HSS 70mm 1pc
