
HSS and Titanium Coating – High speed steel makes it more durable than others, titanium coating makes it easy to cut steel sheets, aluminum sheets, copper, plastic, wood and many other types of sheets with ease. It can automatically deburr holes while drilling to keep the drill bit clean. The split point increases speed. A necessity for family, DIY enthusiast or professionals - Perfect for home repairs home and light duty work such as drilling holes in plastic, aluminum, copper and many other types of sheet metal. Package Contents: 1 x HSS Step Drill Bit 6-60mm (12 Steps: 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm)