7 Pcs Tile Drill Bit, Concrete Drill Bits,Diameter 3/4/5/6/8/10/12mm Tile Drill Bit 1/4" Hex Spear Head Drill Bit For Mirror Glass Ceramic Tile Marble

【High Quality Material】Made of hard alloy, this glass drill bit has very good abrasion resistance and extreme hardness for long service life. The titanium coated surface is anti-oxidant and does not fade.

【7 sizes】 Glass drill bit with 7 different sizes: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, the all in 1/4" hex shank, perfect for various tasks, this drill bit is size marked

【Precise and Smooth Hole】Excellent for drilling clean and precise holes in glass and tiles.The edge of the drill bit is fine and the hole smooth and full, without leaving any burrs

【Sturdy & Durable】 Hex shank glass drilling tools are sharp and change quickly. using water lubrication will greatly extend the life of the bit

【Wide Application】Indispensable for DIY and home improvement enthusiasts in glass tile ceramic mirrors and other surfaces hard and brittle work