Step Drill Bit Set & Automatic Center Punch, 50 Sizes in 5 High Speed Steel Titanium Coated Double Sided Drill with Aluminum Case, for DIY Lovers
- ⭐【50 in 5 Drill Bit】- The drill bit group includes five standard stepped drill bits, which can replace 50 single drill bits and process 23 holes with diameters ranging from 1/8" to 1-3/8". The package includes 5 step drills, 1 automatic center punch, and 1 aluminum storage box.
- ⭐【High-Speed Steel】- The drill bit is made of high-speed steel with high hardness, high wear resistance and heat resistance, which can easily cut sheet metal, aluminum plate, copper, plastic and wood board, etc, suitable for household DIY and general construction/engineering use.
- ⭐【Titanium Coating】- Titanium coating can reduce surface friction, make the operation cooler, improve the sharpness of the drill bit, wear and corrosion resistance, and maintain good gloss even after long-term use. The laser marking is clear, and the diameter is clear at a glance.
- ⭐【Unique Design】- Double-edged and X-shaped opening design to ensure faster and smoother cutting.
- double spiral grooves reduce cutting resistance and chip removal more smoothly.
- triangular shank design can prevent the drill from slipping, suitable for a variety of models.
- ⭐【Automatic Center Punch】- It can realize automatic and high impact force by spring loading, the knurled surface of the bras....