7pcs Four Edged Serrated Eccentric Drill Bits,1/4 Hex Shank High Strength Four-flute Sawtooth Eccentric Drill Bit Set,Carbide Tips for Brick Wood Tile Masonry Concrete Drills Bits(3/4/5/6/8/10/12mm)

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  • Premium Alloy Steel Construction 4 flute drill bits are made of premium alloy steel with a hardness of up to 60HRC, which is impact and wear resistant, ensuring durability and lasting performance in tough tasks
  • Unique Four-Sided Serrated Design Concrete drill bits feature enlarged chip flutes for efficient and smooth clearance and high-speed cutting, serrated design for stability, staggered cutting edges for precision, ensuring performance in woodworking, metalworking and DIY
  • Various Size Range This carbide drill bit set comes in seven sizes (3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm), ensuring you have the right tool for every task, from electronics repair to furniture assembly, making it easy to handle a variety of drilling needs
  • Wide Compatibility Compatible with manual screwdrivers, electric screwdrivers, impact drills and drill bits for wood, marble, plastic, tile, concrete, metal and wall tiles, perfect for professionals and DIY enthusiasts

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