DaduoRi Premium 4-1/4" 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, Pavers

Brand: DaduoRi

Features:

• 30% Faster Drilling: Tested on real construction sites, this 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 concrete 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: 4.25 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
• 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 1/4 core drill bit's durability

Part Number: 4.25 inch premium core drill bit

Package Dimensions: 17.0 x 4.3 x 4.3 inches