Concrete Drill Bit Set (4-12mm): Tungsten Carbide Tip with High Carbon Steel Body for Impact Drills, Reinforced Drill Bits for Concrete/Brick/Cement

Tungsten Carbide Tips:Hardened tungsten carbide tips (HRC ≥ 75) ensure extreme durability and faster drilling in concrete, brick and cement. Precision ground cutting edges stay sharpened 3 times longer than standard concrete drills High Carbon Steel Reinforced Body: Forged from high carbon steel for superior strength and prevention of bending/breaking. The spiral design of the flutes effectively removes debris, preventing clogging and overheating. Universal compatibility with hex shank. The 1/4 inch hex shank fits all impact drills (SDS-Plus, rotary drills, impact drivers). Its non-slip design ensures a firm grip and reduces the offset of the wick during use Optimized for demanding masonry works: Ideal for drilling dowel holes (4-12mm) in concrete, brick, stone and cinder block walls. Laser engraved size markers (4/5/6/8/10/12mm) allow for easy identification Durable storage box: Includes a compact metal case for organized storage and portability. Enjoy easy storage and transportation while protecting your strands from damage.