✅【What you get:】Includes five standard step drill bits with center punch, which can replace 50 individual drill bits, you can process 50 different kinds of diameter holes with the five pieces.
✅【Product Feature:】The center punch delivers an automatic, high-impact ,spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control; and the carbide tipped bit makes the center punch 10 times stronger than normal one; protective aluminum case makes the drills not easy to dull.
Specifications
Key Features
HSS Titanium Coating - High speed steel along with titanium coating ensures outstanding durability and sharpness, can reduces the friction, runs cooler.
Meet Your Demands - With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.
Design - The split point tip is at 118 degrees to increase the wear resistance. The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.