6pcs HSS Titanium Step Drill Bit Set. Step Bits

Set Components: The set includes five distinct step drill bits for various hole sizes and one automatic centre punch for marking materials before drilling. Material and Coating: The bits are constructed from high-speed steel (HSS) and coated with titanium to reduce friction, enhance durability, and extend the lifespan of the cutting edge. Drilling Capabilities: They are suitable for creating precise holes in various materials, including thin metal plates (iron, copper, aluminium), acrylic, PVC, and wood. Design Features: The bits utilize a dual-flute design to clear chips faster and prevent metal fillings from flying, facilitating smoother, jam-free performance.