Hyjoy 12PC, 1/4" 7" with 1/4" SDS Plus Drill Bits for Concrete Screw, Drill Bit 1/4, SDS Plus Bits (1/4 7,12)

Material: These concrete drill bit sets are made of carbide, offering greater hardness, toughness, and resistance. Bit tip brazing and hardening for extended lifespan. SDS Plus Drill Bits application: Suitable for Masonry, Cement, Ceramic Tile, Brick, Stone, Concrete, etc. These drill bits can be with electric or cordless drills for decoration, wall perforation, wire installation, etc. Durability: Optimized brazing and hardening process for extended lifespan. The special 1/4" Shoulder is for use with standard concrete screw installation sleeves, which eliminate the for drill adapters. Size: 1/4 7 inches