These drill bits work at a faster speed, saving you a lot of time while working. Perfect for any DIY projects, constructions, and home improvements.
- You can use these to drill holes to any materials. Work on plastic, woods, and most metals, including steel, brass, aluminum, and copper.
- The shanks are small enough that they should fit any standard size chuck such as that on a small drill press or hand-held drill.
- The drill bits are made of drop forged, heat treated and fully polish classic high-speed steel with Titanium coating for proven capability and durability.
- Comes in three sizes: 4-12mm with 5 steps, 4-20mm with 9 steps and 3-12mm with 10 steps. This takes the guessing out of drilling by supplying the proper depth for you.
- Package includes : (3) Pcs Step Drill Bit
- Material: Titanium coated HSS
- Sizes : 4-12mm - 4, 6, 8, 10, 12mm
- 4-20mm - 4, 6, 8, 10, 12, 14, 16, 18, 20mm
- 4-32mm - 4，6，8，10，12，14，16，18，20，22，24，26，28，30，32mm