Greywolf Concrete Drill Bit Set, Masonry Shockproof Hex Shank Industrial Carbide Bits for Glass/Brick/Plastic/Cement/Tile (3/4/5/6/8mm) 5 pcs

【High-quality materials】The carbide drill bits are made of high-quality carbide YG6X alloy, and the double-edged tip increases wear resistance, durability, and longer service life, allowing the drill bits to be used multiple times. 【Multiple specifications】The package contains 5 pieces of masonry drill bit sets: 3mm mm mm mm8mm, there are 5 different sizes of cement drill bits, which can easily meet your drilling needs. Comes with a portable plastic box for convenient storage. 【Professional design】The carbide drill bits use sharp ground carbide tips for faster drilling into masonry materials. Double U-shaped groove design for fast dust removal and reduced heat. 【Easy to install and use】1/4 inch hexagonal shank can be installed more easily and safely into all power tools; compatible with most common drills, electric drills, hand drills and bench drills, easy to install and remove and safer. 【Multiple Uses】Concrete drill bit set, perfect for drilling holes in bathroom tiles or walls, can easily drill holes in tiles, concrete, bricks, glass, ceramics, granite, wood, thin iron plates, etc. If drilling marble, glass and tiles continuously, please add water or coolant to cool the drill bit.