5 PCS HSS Cobalt Multiple Hole 50 Sizes Step Drill Bit Set with Aluminum Case
CO-Z step drill bits set replaces 50 individual drill bits in 5 pieces step drill bits, which saves you a lot of trouble and space. A two-fluted design provides faster and smoother cutting. Cobalt steel along with titanium coating ensures this set with outstanding durability and will stay sharp for years to come, perfect to cut holes on sheet metal, aluminum sheets, etc. A well-organized box provides users with easy storage and transport, truly a must-have for DIY lovers and HVAC professionals.
- Durable Material: Cobalt high-speed steel along with the titanium coating ensures extreme durability will stay new and shiny for years to come.
- Useful Compatibility: Different sized shanks ensure compatibility with 1/4, 3/8, and 1/2 in. chuck sizes.
- Multiple Purpose: Non-walking drill tip provides fast and smooth drills on steel sheets, aluminum sheets, wood board, plastic board, etc. (the board must be smaller in thickness than the height of step drill bits).
- Warm Tips: Please mark the spot that you are to drill for easier drilling and improved drill bits life.
- Easy Transport: All the bits come in a well-organized case for easy transport and storage.
5x Step Drill Bit Set
1x Aluminum Case
1x Instructions Manual