Feature

●Size: 0.2 - 1.3 inches (4 - 32 mm) step drill, Number of Steps: 15, (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm) Each piece weighs about 150g. The shape of the shaft is hexagonal shaft, so it can be used with impact drivers
●Material: HSS steel (high speed steel) step drill has been treated with titanium coating on the surface to reduce the heat produced during friction, and operate at a lower temperature
●(Drilling) The hole is expanded in order from small holes to large holes, so you can modify multiple sizes of drilling and enlarging holes. Recommended Drill Speed: 250-400 rpm
●[Various Uses] This step drill can be used for a wide range of purposes, from home DIY to site work. An essential tool for drilling thin iron plates, stainless steel, aluminum, wood, resin, etc. to enlarge, chamfering, deburring, etc. Note: The surface of the product may be oiled to extend its life and facilitate storage and transportation. Please acknowledge
●(Safe to Use) Our products are constantly undergoing strict quality inspection. In the event that there is an initial defect, please feel free to contact us. We will respond as soon as possible

Description