12 PCS Upgrade Masonry Drill Bit Set, Professional 1/8" to 1/2" Four-Blade Serrated Eccentric Concrete Drill Bits, Carbide Tipped for Brick/Tile/Glass/Wood/Plastic/Cement/Ceramic Drilling

Professional 12-piece eccentric drill bit set featuring high-hardness four-blade serrated design (3mm-12mm/1/8"-1/2") with universal 1/4" hex shank for glass/ceramic/wood/metal drilling, offering rust-resistant coating for durable performance.

• Durable & Versatile Construction: This 12-piece eccentric drill bit set is crafted from high-hardness, wear-resistant materials, ensuring long-lasting performance. Suitable for drilling glass, ceramic, wood, metal, and other tough surfaces
• Four-Blade Serrated Design for Efficient Drilling: Each drill features four sharp cutting edges with a serrated design for enhanced grip and smoother drilling, reducing work time while maintaining precision
• Universal 1/4" Hex Shank Compatibility: Fits most standard power tools (drills, impact drivers) with a quick-change hex shank and Phillips head design for easy bit swapping and improved usability
• Multi-Size Set: Includes 12 drill bits (3mm/1/8", 4mm/5/32'', 5mm/3/16'', 6mm/1/4'', 8mm/5/16'', 10mm/3/8'', 12mm/1/2") to handle different hole sizes for DIY, construction, or repair tasks
• Coating protection: Features a not easy resistant yellow/silver finish that combines durability with a sleek look, ensuring reliable performance over time