Discover the premium High-Speed Steel Step Drill Bit perfect for accurate and versatile drilling on metal, plastic, copper, aluminum, and more. Designed for efficiency and durability, this drill bit ensures smooth hole sizing and reduces friction. Multi-hole drilling with clear step scale from 4mm to 12mm Titanium coating for reduced heat and prolonged tool life Efficient flute design for faster, smoother cuts Ideal for home repairs and light industrial applications Upgrade your toolkit with this reliable and versatile step drill bit from Wagtail.