Masonry Drill Bit Set - 3-12 mm Carbide Tip Concrete Ceramic Glass Tile Hex Shank Drilling Bits for Drilling Wood, Brick, Plastic, Cement

• PREMIUM QUALITY - The concrete drill bits are made of carbide and surface is coated with electrophoretic paint to prevent the drill bit from rusting, which provides good wear resistance and long service life.
• U-TYPE SLOT - The masonry drill bit has widened thread U-type flutes for high speed operation and faster chip removal when drilling to prevent clogging of the hole.
• HEAD DESIGN - The tile drill bits are designed with cross-shaped tip for easy to position and improves the drilling speed. It also can reduce resistance and save time and effort when drilling.
• UNIVERSAL HEX SHANK - These 1/4 hex shank makes the electric drill more tight and not easy to slip to safer use.Each concrete drill bit set is placed in a convenient transparent storage box for you to storage.
• WIDELY USE - The drill bits set is widely used for drilling the masonry wall, cement wall, concrete, tile, wood, soft metal, stainless steel, aluminum alloy, wood, bubble brick, etc.

Description: - This drill bit’s design can effectively remove sawdust and chips and helps prevent plugs from becoming stuck in each drill. - Cross cutter head design for more accurate positioning and less resistance. It can drill perfect circles holes with these masonry drill bits. Features: 1.Cross drill bit is sharper and more efficient with positioning function. 2.The surface of the drill bit is polished and the surface is smooth. 3.Can use with bench drill, hand drill and other drilling machine. 4.Suitable for drilling tile, concrete, wood, glass and plastic. Specification: Color: Black Material: Carbide Shank Type: 1/4 hex shank Cutter Head: Triangular Cutter Head Size: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Package List: 7 x Masonry Drill Bits Note: 1.Please spray water on the bit to keep it cool when drilling the hard material. 2.When drilling, use only flat drill function, do not use any impact force. 3.Please change position when there is reinforced concrete ahead, otherwise drilling on it will damage the drilling edge.