Feature(may vary by option.)

●Set Contents: 0.2 - 0.5 inches (4 / 6 / 8 / 10 / 12 mm), 0.1 - 0.8 inches (4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 mm) (4 / 6 / 8 / 12 / 26 / 28 / 3 / 3 / 28 / 3 / 28 / 3 / 28 / 3 / 0/32) Hexagonal Shaft Diameter 6.35mm (3 coin)
●High Quality Material: The step drill is made of super high hardness high-speed steel, and the surface with titanium coating provides a higher hardness and better cutting than regular steel step drills
●【Efficient Design】:The spiral design reduces the pressure during cutting, which improves the emission of shavings than conventional step drills and allows for smooth cutting. Stair grooves prevent chuck from slipping
●Easy to operate: The step drill extends from small holes to large holes, allowing you to adjust the enlargement of multiple sizes and holes. Due to the shape of the hexagonal shaft, it can also be used with impact drivers
●Wide range of applications: Suitable for drilling holes from thin iron plates to aluminum plates, wood, vinyl and resin. An indispensable tool for household DIY projects and for drilling underholes, chamfering, deburring and more. Also suitable for cutting hardened materials such as hardened steel plates and stainless steel. A must have for home and professional work


Description