Flintronic Four-Flute Drill Bit Set, 12PCS Four Blade Serrated Eccentric Drill Bits, Masonry drill Bits with 1/4" Hex Shank, Carbide Tip Tile Brick Drills Bit set (3/3/4/4/5/5/6/6/8/8/10/12MM, Silver)

• 【HIGH-QUALITY MATERIAL】Flintronic four-edged serration eccentric drill bit is made of solid tungsten carbide, polished, rust-proof and durable. Compared with traditional steel drill bits, it has excellent hardness and toughness, longer service life, and easily penetrates various materials.
• 【PRACTICAL DESIGN】Compared with traditional drill bits, we adopt a unique four-edged serration combined with an eccentric function design, which makes positioning more convenient and stable, and the drilling process easier and more efficient, achieving precise drilling and reducing material wear. The hexagonal shank design can be firmly fixed on the drill bit to prevent the drill chuck from slipping, making the grip more stable and improving work efficiency.
• 【MEET ALL NEEDS】Flintronic four-edged serration eccentric drill bit set includes 12 drill bits, 7 different sizes of drill bits, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, you can flexibly choose according to different drilling needs. It also comes with a dedicated storage box for easy storage and access.
• 【EASY TO USE】Our drill bits are suitable for most general-purpose electric drills, hand drills, and bench drills. The operation is simple, even a novice can quickly get started. Use water to cool the drill bit, gradually apply pressure while maintaining the tilt angle and transitioning to vertical drilling, do not use it on hard tiles. Please use water for lubrication, good cooling can extend the service life of the drill bit.
• 【WIDE APPLICATION】Our four-edge serrated eccentric drill bits are suitable for tiles, ceramics, glass, marble, etc. It can be widely used in daily household or general construction, engineering maintenance, and can also be given as a gift to DIY enthusiasts of friends or family who like home projects or daily maintenance.

Flintronic Four-Flute Sawtooth Eccentric Drill Bit -Unique four-flute sawtooth with eccentric function, easy and stable positioning, easy and efficient drilling, and improved work efficiency. -Made of solid tungsten carbide, the hardness and toughness are better than ordinary carbon steel, with longer service life and less effort in drilling. -Contains a variety of sizes to meet your different hole diameter needs. Suitable for a variety of materials such as tiles, glass, concrete, etc., easy to operate, it is an ideal choice for home maintenance, construction projects and DIY enthusiasts. Specifications Size: 3/4/5/6/8/10/12mm Color: Steel Material: Tungsten Carbide Packing List 12* four-edge serrated eccentric drills （3/3/4/4/5/5/6/6/8/8/10/12mm） Important Tips 1. Please allow slight size errors due to manual measurement. 2. Please use water for cooling and lubrication when drilling (this step is the key to extending the service life of the tile drill bit) If you have any questions, please feel free to leave a message and we will provide you with a satisfactory solution.