16pcs/set Drill Bit Set Hexagon Handle Titanium Coating mm HSS Quick Change 32pcs

Description

Advanced materials: high speed steel drill bit is coated with titanium, which can increase excellent wear resistance and durability. The blade is hardened and polished to keep it sharp. Jitter free design and staggered cutting teeth ensure accurate drilling and smooth hole cleaning. Unique design: with 2 chip chutes, it helps to remove chips and debris from the drill bit, reduce friction and heat, so as to achieve faster and cooler drilling process.