10pcs Titanium Coated Masonry Drill Bit, 7mm Triangle Concrete Drill Bits Ceramic Tile Drill Bit with 1/4" Hex Shank for Mirror and Ceramic Tile on Concrete Brick Wall

Size - Cutting Diameter: 7mm / 0.28-inch, Shank Diameter: 6.3mm / 1/4-inch, Total Length: 78mm / 3.07-inch, 10 x masonry drill bit Material - Made of quality carbide YG6X, the rust-resistant treatment and reinforced head prevent the drill from cracking and provide longer service life. Feature - Non-slip 1/4-inch hex shank provides a tight grip to prevent the bit from slipping. Cross arrow design, accurate positioning, easy penetration of various materials. Application - This 1/4-inch hex shank drill bits can be used on power drill, hand drill and bench drill for drilling hole on glass, tile, wood, ceramic, brick, and more. Note - When drilling, add water to prevent the drill bit from being damaged