Feature

●1. (1 piece) 0.2 - 1.3 inches (4 - 32 mm), spiral step drill, number of steps: 15 (100 mm) (4/6/8/10/12/14/16/18/20/22/24/26/28/30/32 mm) Each piece weighs about 190g. The shape of the shaft is hexagonal shaft, so it can be used with impact drivers
●2. Compatible models: Charging impact screwdriver, charging drill screwdriver, electric drill
●3. (Drilling) The hole is spread in order from small holes to large holes, so you can adjust the opening of multiple sizes and enlargement of holes. Recommended Drill Speed: 250-400 rpm
●4. Material: HSS steel (high speed steel) step drill has been treated with titanium coating on the surface, reducing the heat produced when friction, and operating at a lower temperature
●5. (Safe to Use) Our products are constantly undergone 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

1. (1 piece) 0.2 - 1.3 inches (4 - 32 mm), spiral step drill, number of steps: 15 (100 mm) (4/6/8/10/12/14/16/18/20/22/24/26/28/30/32 mm) Each piece weighs about 190g. The shape of the shaft is hexagonal shaft, so it can be used with impact drivers. 2. Compatible models: Charging impact screwdriver, charging drill screwdriver, electric drill 3. Drilling: The hole is expanded in order from small holes to large holes, so you can fix the hole in multiple sizes and enlargement of holes. Recommended Drill Speed: 250-400 rpm 4. Material: HSS steel (high speed steel) step drill has been treated with titanium coating on the surface, reducing the heat produced when friction, and operating at a lower temperature. 5. (Safe to Use) Our products are constantly undergone 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.