Reinforced cutter head: Reinforced cross cutter head design, sharp cutter head can ensure better penetration and easier drilling in concrete. Applicable models: Round shank is suitable for electric hammer drilling equipment. There are many different sizes. Material: High quality hard alloy material, high temperature quenching treatment, sharper and wear-resistant service life. U-shaped chip removal design: U-shaped chip removal design is conducive to high-speed operation, rapid chip removal and improved work efficiency. Scope of application: It is suitable for working scenarios such as concrete, brick walls, cement walls, stone and masonry. Description: High quality hard alloy material, high temperature quenching treatment, sharper and wear-resistant service life. Reinforced cross cutter head design, sharp cutter head can ensure better penetration and easier drilling in concrete. Cross Hammer Drill Bit Color: Silver-Material: Carbide-Size: Length: 350 mm / 13.78 inch. Drill Bit Diameters: 18 mm / 0.71 inch. Number of Products: 1 Piece Color: Steel