Feature:

High Quality The drill bit is made of professional alloy steel. High hardness, strong and durable. It has good wear resistance and can be used longer than ordinary steel drills. Hex shank allows for stable holding and quick release in the drill.
Dimension:10pcs drill bit set with 8 different sizes: that's 3mm, 4mm, 5 mm, 6mm, 7mm, 8mm, 10mm, 12mm to meet your different needs. Pointed square chamfer design, easy and stable positioning, faster drilling speed, better stability, low fluctuation frequency and high efficiency.
APPLICATION Ideal for drilling ceramic tile, glass, marble and mirrors. When drilling hard materials, please use water for lubrication, good cooling can extend the life of the drill. Please try to hold the drill vertically and use water or coolant for lubrication when drilling. Do not use these bits to drill hard tiles.
Tungsten Carbide Tip The bit features a tungsten carbide tip for extended bit efficiency and life. PROFESSIONAL GRADE Made of alloy steel for smooth, precise drilling in ceramic tiles, marble, mirrors, glass, aluminum, concrete and wood.

Size:

6mm