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HSS with Titanium Coating: Thanks to the use of high-speed steel and a titanium coating, these step drills offer exceptional sharpness and durability
118° Point Angle and Double Helical Flute Design: This design naturally increases cutting speed, prevents wobbling, removes chips more quickly, and allows chips to escape more easily
50 Sizes, 5 Pieces: The step drill bit set includes 5 standard pieces, totaling 50 sizes, offering flexible and versatile options to meet all your DIY needs
Wide Range of Applications: Ideal for drilling holes in plastic, aluminum, iron, and many other metal sheets (not recommended for stainless steel or other harder metals)
Comes with a well-organized case for convenient use and storage