B K Jagan and Co Workzone Step Drill Round Shank- Workzone Step Drill – Round Shank (4–22 mm) Auger Drill Bits  (Pack of 1)

The step drill bit is made from high speed steel which has high hardness and good wear resistance. This high-speed steel step drill bit from Workzone features a round shank and covers 4–22 mm hole sizes in one tool. Its titanium coating enhances wear resistance and prevents rust. Ideal for drilling clean, deburred holes in thin metal, wood, plastic, and PVC, it's perfect for electricians, HVAC installers, and DIYers. Convenient size markings and a durable design make it a practical, space-saving choiceThis step drill bit can be used for drilling a wide range of hole sizes from 4mm to 22mm, can be widely applied. The surface is coated with titanium which has better anti-rust performance and will not fade easily. The hole size are clearly marked on the surface, you can check the data easily. Step drill is most commonly used on softer materials such as thin iron sheet, aluminum PVC and wood board of 5mm. Great for use in work where thin steel, aluminum or plastic boxes and chassis are encountered.