3.Tungsten carbide tip provides high level wear resistance, ensuring longer drilling life.
4.Optimized U-flute provides less friction and better dust removal for fast drilling.
5.Surface treatment: shot-peening. Improves the strength, fatigue resistance and corrosion resistance of the drill body.
Description
Direko Carbide Tipped Rotary SDS-Plus Hammer Drill Bit Set includes five pieces of 3/8"x6" drill bits. Tungsten carbide tips provides high level wear resistance, it is fit for different materials such as masonry, concrete, marble, granite etc. U-flute provides less friction and better dust removal for faster drilling.