3-12mm Four-edge Serrated Drill Bit Set Drilling Tools Tor Glass Tiles Concrete Metal Ceramics etc.Drill Bits Set Tools

FeaturePrecision Eccentric Design: The unique 4-flute geometry ensures 30% faster chip removal compared to standard drill bits, reducing heat buildup and extending tool life. Ideal for drilling deep holes in hardwood and aluminum alloys.Versatile Set: ideal for drilling different-sized holes in concrete, glass, cast iron, cement, tile, and wood.Quality Construction: Drill bits made of high-strength alloy material with a serrated design and eccentric structure for durability and longer tool life.Precision Design: The hex shank ensures a secure grip and prevents slipping, fits a wide range of professional drill bits, and the eccentric construction reduces wear and maintains drilling accuracy. Versatility: 1/4-inch hex shank fits all standard drills, impact drivers, and CNC rotary tools (compatible with DeWalt, Makita, and Bosch). Wobble-free with magnetic chuck adapters.MULTI-MATERIAL MASTER: Designed for use with glass, ceramic tile, wood (oak, MDF), plastic (ABS, PVC), and non-ferrous metals (aluminum, brass). Not recommended for stainless steel or cast iron.Perfect for: Metalworkers: Drilling stainless steel plates up to 1/2" thick. Carpenters: Creating clean holes in wood flooring and furniture. DIY enthusiasts: Installing shelves/racks through mixed materials. Automotive: ModifyingPackage Includes10/7/5/4/3pcs four-edge serrated drill bit set3-12mm Four-edge Serrated Drill Bit Set Drilling Tools Tor Glass Tiles, Concrete, Metal, Ceramics, etc.Drill Bits Set Tools