7PCS Step Drill Bit Set with 50 Sizes,Multiple Hole High Speed Steel Stepped Up Bits (7PCS)

Key features

• SUPPER VALUE 7PCS PACKAGE - 5pcs step drill bits enable 50 sizes,Plus 1pcs Automatic Center Punch and 1pcs twist drill bits
• WIDELY APPLICATION - The step drill bits can be used to chamfer, bur, and drill or enlarge holes. The step drill bits can work with aluminum alloy, plastic material, and wood. The protective aluminum case makes the drills not easy to dull
• EASY TO STORE - Set includes a sturdy blow molded organizing case for secure storage and easy carrying
• DURABLE STEPPED UP BITS - Cobalt high speed steel along with the titanium coating ensures extreme durability, will stay new and shiny for years to come.
• HSS TITANIUM COATING DRILL - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.