KingTom HSS Step Drill 4x20mm are delicately designed from the delicate lines to each corner of the product, each line on the drill is an indispensable angle to create a solid, clear drill hole.
The drill bit is made of high-grade HSS high-speed steel with an extra layer of super-hard titanium, to reduce heat dissipation for easier and more durable drilling.
Machined with high precision to ensure coaxiality, when drilling, there is no loss.
USES: Drilling hard materials such as stainless steel, steel, ... and soft materials such as wood, plastic, ...
ADVANTAGE
- The drill bit is made from HSS steel with a super hard titanium coating.
- The drill has good heat resistance.
- Make holes of different sizes.
- With anti-counterfeiting stamp to ensure genuine.
