IRONANT Step Drill Bits - HSS Titanium 5PCS

HSS Titanium Coating: The step drill has excellent sharpness and durability due to its high speed steel material and titanium coating. 118° Split Point Tip & Spiral Dual-flute Design: increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape more easily. 50 Sizes in 5 Pcs: The step drill bit kit includes 5 standard pieces with totally 50 sizes for versatility, enough for your DIY needs. Widely Application: Ideal for drilling holes in plastic, aluminum, iron and many other types of sheet metal (Not recommended for stainless steel or any other harder metal). Equipped with a well-organized case, make it more convenient for using and storing the step drills