amoolo Titanium Step Drill Bit (10 Step), 1/4" to 1-3/8", High Speed Steel (HSS) 1/4" Hex Shank Unibit for Soft Metal Sheet, Wood, Plastic, Multiple Hole Drilling Cone Drill Bit

Key features

• TITANIUM | HIGH SPEED STEEL - Industrial grade high speed steel ensures excellent durability and strong wear-resistance. The titanium coating reduces friction and cools faster, giving longer using life. Prefect for Soft Metal Sheet/Wood/Plastic/Aluminum Sheet/Copper and other metal sheets. Suitable for Home DIY, General Building and Engineering Use.
• DOUBLE-FLUTE DESIGN - Double cutting blades design guarantees a faster and smoother cutting, allows particles escape easily.
• 118° X-TYPE SPLIT POINT - Requires less pressure with self-centering and prevents walking.
• 3/8" TRI-FLATTED SHANK - Fits into most pistol drill and drill press securely without slippage when drilling new holes or enlarging existing holes.
• ONE BIT WITH MULTIPLE DRILL SIZES - 10 STEP： Includes 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8". Free to get a portable tin box to prevent rust.