DaduoRi Premium 4" Wet Core Drill Bit for Hard Concrete with High-Density Diamond, Precision-Welded Segments, 1-1/4"-7 UNC x 14" Depth, Industrial Grade for Concrete Rebar, Brick, Masonry, Asphalt

Additional Details from the Manufacturer

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More features

• 30% Faster Drilling: Tested on real construction sites, this concrete core drill bit features ultra-high diamond concentration, delivering 30% faster drilling speed compared to standard core bits. It effortlessly cuts through reinforced concrete, masonry, brick, and block, saving time and effort on every job
• 80% Longer Lifespan: Equipped with premium Grade A diamonds and high-density distribution, this diamond core bit offers 80% longer lifespan than ordinary drill core bit. Its SMOOTH and CONSISTENT cutting ensures precise core extraction, reduces material waste, and extends the bit's durability
• Outer Diameter: 4 inch; Thread Size: 1-1/4"-7 UNC standard thread. Fits most handheld core drills and core drill machines with rig. Adapter not included; available separately in our store
• Precision-Welded Teeth for Strength and Durability: This DaduoRi core drill bit uses upgraded-welded segment for high strength and precision, ensuring it is not easy to break, even in heavy-duty applications
• The thickened barrel ensures a more robust drilling experience, while the 12mm high teeth increase the diamond quantity, significantly enhancing the 4 core drill bit's durability
• Industrial-Grade Quality for Professional Use: Perfect for drilling medium to high-strength reinforced concrete, building walls, brick, masonry, pavers, stone, plaster, slate, and asphalt, this core bit for concrete is a better choice for contractors and heavy-duty projects
• At DaduoRi, we focus on providing efficient, reliable, and high-quality core drilling solutions for every project