Yesland 5pcs Hss Cobalt, Multiple Hole 50 Sizes High Speed Metal Step Drill Bit Set with Aluminum Case

Key features

• Yesland hss cobalt high speed steel along with the titanium coating ensures extreme durability which will stay new and shiny for years to come. It can also ensures outstanding sharpness, reduce the friction and runs cooler.
• The drill bits set includes 5 common sizes for versatility, it can fit the majority of brands currently on the market. Different sized shanks ensure compatibility with 1/4, 3/8 and 1/2 inch chuck sizes.
• Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board etc. With these step drill bits, you can process different kinds of diameter holes, which greatly saves you a lot of time. Suitable for DIY, general building or engineering use.
• All the bits come in a well-organized case for easy transport and storage. A drill bits holder with size index is included in the metal kit so that no need to worry about it falling out.
• Two-flute design deburrs during drilling, clearing chips faster and allowing particles to escape for cleaner operation, keep bit cleaning. Please mark the spot that you are to drill for easier drilling and improved drill bits life.