1/4 in. HSS Titanium Step Drill Bit Set with Storage Case (5-Piece) by XtremepowerUS

5-piece Step drill bits are constructed from traditional HSS combined with a titanium coating to make them even more durable. This also proves the capability and durability of the drill to last through multiple drilling on surfaces such as: plastic, aluminum, copper, stainless steel and so much more. Features a 3-sided shank to prevent slip in the drill chuck and bits automatically deburrs holes as you drill. Comes with storage.

• Great for sheet metal, aluminum sheets, wood chips, plastic and wood board, it’s a perfect choice for DIY and engineering use
• Engraved sizes easily identify which size you need with the contrasted, laser engraved sizes inside the step drill bit flute
• High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler
• Split point tip is at 118° to increase the wear resistance, the 2 flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation
• Set includes 5 common sizes for versatility, can fit the majority of brands currently on the markets
• Tri-flatted shank is a great universal fit that will give you confidence while you work knowing that your drill bit is securely in place
• Flute shape: straight flute
• Material: titanium nitride coated (HSS)
• 3/16 in. to 1/2 in. – 6 steps (3/16 in., 1/4 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in.)
• 1/8 in. to 1/2 in. – 13 steps (1/8 in., 5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 11/32 in., 3/8 in., 13/32 in., 7/16 in., 15/32 in., 1/2 in.)
• 1/4 in. to 3/4 in. – 9 steps (1/4 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in.)
• 1/4 in. to 1-3/8 in. -10 steps (1/4 in., 3/8 in., 1/2 in., 5/8 in., 3/4 in., 7/8 in., 1 in., 1-1/8 in., 1-1/4 in., 1-3/8 in.)
• 3/16 in. to 7/8 in. – 12 steps (1/4 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in.)
• Package content: 5-piece step drill bit, storage case