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Hss & Titanium Coating —– High-speed steel makes it last longer than others, titanium coating ensure easily cut through iron sheets, aluminum sheets, copper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean.
Titanium Coating —– Coated with titanium, this step drill set performs well in heat, corrosion and rust resistance.
Revolutionary Design —– Tri-flatted shank fits into power tools chuck securely and eliminates slip; two-flute design clears chips faster and allows particles to escape easily.
Includes 10 STEP SIZES —– 1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1-1/8″, 1-1/4″, 1-3/8″.
A Must-Have for Handyman or Professionals —– Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).