Intheend 10Pcs Concrete Drill Bit Set, 1/4" Upgrade Serrated Cross Edge Masonry Drill Bit Set, Industrial Cement Drill Bits For Brick/Tile/Glass/W

1 Concrete Drill Bit Set: Cement drill head with premium YG6X steel, each drill bit is precision-machined and can quickly drill through various materials, such as glass, ceramic, tile, wood, marble, thin iron plate, plastic or brick wall, etc,2 Upgrade Serrated Cross Edge: Industrial grade cross head with a serrated edge provides more cutting power, more accurate positioning, sharpness and durability for faster drilling Reducing errors and enhancing work efficiency The special surface treatment further improves corrosion resistance,3 Wide Applications: Hexagonal handle design of our drill bits offers superior grip and stability during drilling and is safer to use Suitable for ordinary electric drills, hand drills and bench drills Its ideal for a range of applications, such as construction work on concrete, brick and home renovations, garden and outdoor projects,4 Packaging Contents: Consistss of 5 different sizes :3_16"-2pcs, 1_4"-4pcs, 5_16"-2pcs, 3_8", 1_2", choose the right drill bit to drill according to the required size The set also comes with a storage box to keep the drill bits organized and easily portable Protects the drill bits from damage and quick access and organization,5 Tips for use: When drilling holes in hard materials such as tiles, marble, glass and granite, you need to add water for cooling, gradually increase the pressure to control the speed and keep the drilling angle vertical If you need any assistance or have any questions during use, please feel free to contact usSizeA,SizeB,Size C