High Strength Extended Spiral Impact Hammer Drill BitsFEATURES PENETRATE TOUGHEST MATERIALS WITH EASE Engineered from high strength alloy, these bits drill effortlessly through concrete, brick, and stone without bending or breaking. The spiral flute design efficiently removes debris, maintaining optimal drilling speed and reducing bit wear. EXTENDED LENGTH REACHES DEEP SURFACES Available in lengths up to 200mm, these bits access recessed areas and thick materials that standard bits cant handle. Perfect