Titanium Coating: Industrial HSS construction, coated by titanium nitride ensures maximum durability and sharpness, can reduces the friction, runs cooler.
Product Feature: 118° Split point tip accelerates cutting speed while preventing angled walking away from center. The two flute design provides a smoother cutting, chip removal quickly.
Drilling Different Size Holes: The step drill bit set include 5 standard bits that can replace 50 individual drill bits. Great metal drill bit for metal, wood, plastic board. Suitable for home DIY, handyman, professionals.
Automatic Center Punch: The punch delivers a high-impact strike when pressed against surface, S2 steel spring punch provide accuracy and precision.
Convenient Storage: All the cone bit come in a well organized case for easy transport and storage.