▲Â?4 SIZE IN 3 - The bits set includes three standard step drill bits that can replace 24 individual drill bits, you can process 24 different kinds of diameter holes with the three pieces
â–?HSS & TITANIUM COATING - High-speed steel makes it last longer than others, titanium coating ensures easily cut through steel 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
â–?/span>Wide Applications- It's economical and easy to store, The hexagonal shank can be wedged in lots of electric tools such as the electric screwdriver. New Design and Smoother cutting.
â–?/span>You could watch our video and know more our speed drilling tools
Material: HSS4241 High-Speed Steel(Used for the hardness of the material which is below 25°, like iron board, steel board, PVC board, Insulation board, etc.)
Config spec: 3-12mm, 4-12mm, 4-20mm
4-12mm: 4, 6, 8, 10, 12mm..
3-12mm: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12mm.
4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20mm.
1 x Speed Drilling Tools (1 Set)
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed in the pictures.