- HSS TITANIUM COATING:ability of oxidation resistance, no rust and wear, long service life with titanium and cobalt plating coating.Aluminum, copper, stainless steel and many other types of the metal sheet.
- 135° SPLIT POINT TIP: increases cutting speed with self-centering and prevents walking.
- V-TYPE OPENING DESIGN:Double cutting blades and V-type openings design ensure a faster and smoother cutting; 3-sided shank design prevents slip in drill chuck can cut through the wood, sheet metal, steel, and other surfaces.
- WIDE APPLICATIONS: 5 pcs step drill bits enable 50 sizes – each step drill bit can drill several bore diameters. With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for steel sheets/ aluminum sheets/ copper/ plastic/ wood board and many other types of sheet metal with ease countersunk. Suitable for Home DIY, and General Building/ Engineering Use.
- GIFT-GIVING OPTIONS:Exquisite craftsmanship, durable material, high-quality aluminum box packaging, is a favorite gift of father.
