Size - Cutting Diameter: 3mm / 0.12", Flute Length: 75mm / 3", Shank Diameter: 3mm / 0.12", Total Length: 120mm / 4.7", 10 x Extra Long Drill Bits
Material - These drill bits are made from high-speed steel for high hardness and durability, sturdy and having long service time.
Feature - The twist design is adopted to center the tool tip and improve the cutting accuracy. Prevents the bit from displacement during work, and removes debris and particles more easily.
Application - Long drill bits can be used for drilling into metal, wood, plastic, PVC. First use a common drill to drill holes, and then use an extended drill to pass through the holes.
Note - That the speed should not be too high to avoid breaking the drill.
