Unbranded 5PCS Titanium-Coated HSS Step Drill Bit Set with Spiral Flute for Metal Drilling 50 Sizes (1-Pack)

Handle your toughest drilling tasks with the ZELCAN Step Drill Bit Set, featuring four sharp cutting blades that effortlessly slice through metal like steel, aluminum, and copper. The titanium-coated high-speed steel construction offers superior hardness and heat resistance, ensuring quick and efficient performance across 50 versatile sizes to meet all your drilling needs. With a convenient quick-release design and clear size markings, this set guarantees easy bit changes and seamless organization, making it the ultimate choice for professionals and DIY enthusiasts alike.

• High-speed steel with titanium coating for durability
• 4 sharp blades cut through metal like aluminum, copper and more.
• Quick release slot ensure secure connections