15 Sizes Step Drill Bit, 4mm-32mm (3/16" to 1-1/4") Titanium Coated Multi Step Drill Bits for Sheet Metal Hole Drilling, HSS Multi Size Unibit Drill

The 15 Sizes Step Drill Bit is a multi-functional, high-speed steel titanium coated drill bit that claims to efficiently cut through sheet metal, aluminum, and wood. With a range of sizes from 4mm-32mm, this drill bit is a great addition to any tool collection. However, the customer feedback has been mixed. Some customers have found great success using this bit for their projects, with one customer stating that it "worked perfectly" for their metric switch installation project. Another customer noted that it "does the job without a hassle" and enjoys the measurement markings for precision sizing. On the other hand, several customers have reported that the bit becomes dull easily and struggles to cut through material. One customer stated that "it barely goes through 30 gauge metals" and another deemed it a "complete waste of money." Some customers have also reported that it is only suitable for use with aluminum and not other materials. In conclusion, the 15 Sizes Step Drill Bit may be a hit or miss depending on the project you are working on. While some customers have had success, others have reported that it quickly becomes dull and struggles to cut through certain materials.