5PCS Concrete Drill Bit Set Masonry Drill Bit Set Professional Carbide Drill Bits Extension Drill Bit Set for Glass, Tile

HIGH HARDNESS, DURABL: High-quality Tungsten carbide, and carbide with a reinforced head that prevents bit cracking and provides a longer life, the hardness is higher than the ordinary drill bit.

U-TYPE SLOT DESIGN: allows for fast penetration and evacuation of debris as you work.

ANTI-SLIP TRIANGLE SHANK: ensures a tight fit and is suitable for electric drill, hand drill and bench drill. Not suitable for impact drills.

APPLICATIONS: Ideal for drilling on iron, copper, aluminum, wood, steel plate, ceramic, brick, plastic, etc. Also suitable for glass, marble, full ceramic tile, granite, etc.

Sharper: The combination of classic structure and titanium coating of masonry drill bit set can improve wear resistance and durability. The carbide tip is hardened, achieving burr-free perforation.