4Pcs Hammer Rock Drill Bits | Alloy Steel Round Shank for Concrete/Masonry/Stone | Carbide Tip for Quick Drilling & Extended Service | Sturdy & Solid Construction Tools (12 * 200mm)

Produktbeschreibung

Enhanced Alloy Construction - Hammer rock drill bits are forged from high-grade alloy steel, delivering 3X longer lifespan than standard bits. Built to withstand robust drilling in concrete and masonry without bending or breaking. Double Spiral Flute Design - These drill bits feature optimized flute geometry that removes debris 40% quicker, minimizing clogging during continuous drilling. Ideal for skilled contractors needing efficient material removal. Industrial-Grade Carbide Tips - Tungsten carbide cutting edges maintain sharpness through 500+ drilling operations, reducing bit replacement frequency by 60%. Suitable for stone, brick, and reinforced concrete applications. Time-Saving Performance - Engineered for electric hammers (compatible for major brands), these bits complete drilling tasks 30% quicker than conventional versions, significantly boosting jobsite productivity. Safe Construction Solution - Each 4-piece set includes multiple sizes (6/8/10/12mm) to handle diverse projects. Backed by ISO 9001-certified manufacturing for assured shock tolerance and drilling accuracy.