Kuuleyn Concrete Hole Saw Kit,30mm 40mm 50mm 65mm Hole Saw Drill Bit Set SDS Plus Shank for Brick Concrete Cement Stone Wall Masonry Tile Stone Cement Wall Construction

Produktbeschreibung

【Composition】This professional-grade concrete hole saw kit includes four -engineered sizes (30mm/1.18in, 40mm/1.57in, 50mm/1.97in, 65mm/2.56in) crafted from tungsten steel, an SDS Plus shank adapter (220mm/8.66in), a centering drill bit (110mm/4.33in), installation screws, and a hex wrench. Designed for rigorous construction tasks, the set ensures compatibility with major power tool brands. 【Material】Forged from high-density tungsten steel, the hole saws feature hardened teeth geometry for efficient cutting through reinforced concrete, brick, and stone. The SDS Plus shank's optimized flute design enhances dust extraction while reducing heat buildup during prolonged use. 【Applications】Ideal for installing pipes, electrical conduit, ventilation systems, and plumbing fixtures in masonry structures. The kit's versatility extends to tile, cement board, and limestone, making it a staple for remodelers, electricians, and plumbers. 【Performance】Equipped with strategic venting slots, the hole saws prevent overheating by channeling debris away from the cutting . When paired with cooling lubricant, the bits maintain peak performance even in hardened aggregates. 【Efficiency】The included centering drill ensures precise hole alignment, while the hex wrench simplifies bit changes. This toolset reduces labor time by 40% compared to traditional hammer drills, delivering professional results for both DIY and commercial projects.