Sailunte Masonry Drill Bits, Concrete Drill Bit Set with Hex Shank, 10 Pcs Tile Drill Bits Set for Glass, Brick, Tile, Plastic, Ceramic and Wood(5/6/ 8/10/ 12mm)

Specifications: Material: Hard alloy YG8 Color: Black Package included： 2 Pcs 5mm Drill Bit 4 Pcs 6mm Drill Bit 2 Pcs 8mm Drill Bit 1 Pcs 10mm Drill Bit 1 Pcs 12mm Drill Bit Warm Tips: 1. When drilling tiles, glass and stone, you need to add water to the drill bit to cool it down, otherwise, the drill bit will be burnt out. 2. It is not recommended to use lithium batteries below 24V, which will result in weak power and the inability to drive the drill bit. 3. Please try to keep the drill vertical on the surface and keep bits cool with flowing cooling water. Do not use hard tiles.