Upgraded Tile and Masonry Drill Bits Set 6mm, EXFEIN Serrated Drill Bits Set - 10-Piece Carbide Drill Bits and 2-Piece Magnetic Screwdriver Bits for Wood Plastic Tile Concrete Brick Marble

• Complete Set - This 12-pack includes sizes 1/4" (6mm)*10 and ph2 bits*2.
• Applicable material - Serrated masonry drill bits set for wood, plastic (like PVC pipe), foam blocks/cinder blocks, tile, red brick, and regular concrete(avoid rebar) etc. Intermittent water cooling is recommended during high-temperature operation to effectively extend the life of the drill bit. PH2 bit:This is the screwdriver bit that is mounted on top of the hand drill to screw in Phillips screws. One kit for most of your drilling needs.
• Tungsten Carbide Serrated Edge Technology - Features Grade YG6X tungsten carbide tips and a laser-cut serrated design for 40% faster drilling speed.Dual U-shaped spiral flutes clear debris instantly, reducing heat buildup and bit jamming.
• Vibration-Free Precision - 4-cutter balanced tip design reduces wobble by 30%, enabling clean holes in brittle materials like ceramic and marble. Universal 1/4" hex shank is compatible with most popular electric drills, power drills, and bench drills.
• Wide Application - Serrated masonry drill bits set assists for accurate drilling and positioning; Screwdriver bit allows easy locked the screws and removal screws. Perfect for DIY projects, home renovations, construction work, or professional contracting jobs involving masonry surfaces.

12pcs - 10pcs 6mm Carbide Drill Bits(Serration)+ Screwdriver Bit*2