Versatile Use - The step drill bit designed for metal is suitable for creating holes in a variety of materials, including plastic, aluminum alloy, iron, wood, and various types of sheet metal. It is recommended to use coolant or water during drilling. This step drill is ideal for both DIY projects and engineering applications. (Avoid use on stainless steel)
Multiple Size Step Bit - The step drill bit set including 5 standard step bits, which you can drill 50 different kinds of diameter hole, which can meet your daily needs. Please mark the spot that you are to drill for easier drilling and improved drill bits life. Each step bits for metal optimally fits into power tools such as impact drill chucks securely and eliminates slip for higher efficiency of output.
100% Good After-Sale Service - All the cone drill bit come in a well organized case, which make it more convenient for using and storing the unibit. Also we are confident with the quality of step drill bit, please feel free to contact us if you have any comment about the stepper bit, we will give you a satisfactory answer!
HSS Titanium Coating - Our step drill bit is adopted with high speed steel material and titanium coating, which makes the step bit harder, also the step drill has excellent sharpness and durability.
Great Dual-flute Design - The step drill bits are designed with 118° split point tip, which can improve the cutting speed while increasing the wear resistance, also the unibit step drill bit can be used for a long time. The two flute design provides a smoother cutting, and allows chips to be removed quickly. This stepped drill bit will be a great tool for DIY Lovers.