【Premium material】: The masonry drill bit is 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.
【Unique 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.
【U-shap slot】: U-shaped drain groove, spiral handle design, easy to remove chips during work, smoother drilling.
【Product size】: The concrete drill bits set has 7 different size, including 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm to meets all kinds of family drilling needs.
【Wide application】: These concrete drill bits are suitable for drilling the masonry wall, cement wall, concrete, tile, wood, soft metal, etc.