4-edge Cross Drill Bit Set 7pcs

The ordinary drill bit is easy to damage tile, glass, and other materials when drilling! The four-edge cross bit has a concentrated stress point and can drill faster and more accurately without damaging the material. Full range of sizes(3-12mm), faster drilling to meet your diverse needs and improve efficiency. MAIN FEATURES Durable Material: Made of high-hardness steel, strong, rust-proof, wear-resistant, corrosion-resistant, and durable. Drill Faster: Sharp 4-edge design, drills faster and more precision, effectively improving working efficiency.   Compatibility: Universal hexagon shank, suitable for most electric drills, hand drills, lithium drills, etc. Wide Application: Widely used in ceramic tile, vitrified brick, glass, concrete, metal, wood, and other drilling purposes.   SPECIFICATION Material: Steel Color: Black Drill Bit Size: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Package Includes: 1 * 4-edge Cross Drill Bit Set