Specification Brand : DaduoRi BulletPoint1 : 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 BulletPoint2 : 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 BulletPoint3 : Outer Diameter: 2 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 BulletPoint4 : 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 BulletPoint5 : The thickened barrel ensures a more robust drilling experience, while the 12mm high teeth increase the diamond quantity, significantly enhancing the 2 core drill bit's durability. BulletPoint6 : 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 BulletPoint7 : At DaduoRi, we focus on providing efficient, reliable, and high-quality core drilling solutions for every project GpsrSafetyAttestation : 1 IncludedComponents : Core Bit *1 ItemName : DaduoRi Premium 2" Wet Core Drill Bit for Hard Concrete with High-Density Diamond, Precision-Welded Segments, 1-1/4"-7 Thread x 14" Depth, Industrial Grade for Concrete Rebar, Brick, Masonry, Asphalt ItemPackageDimensions_Height : 17.3 inches ItemPackageDimensions_Length : 2.7 inches ItemPackageDimensions_Width : 2.7 inches ItemTypeKeyword : core-drill-bits Manufacturer : DaduoRi Tool Material : Diamond ModelNumber : 2" high performance diamond core bits NumberOfFlutes : 5 NumberOfItems : 1 PartNumber : 2-inch concrete core drill bit 51mm ProductDescription : The DaduoRi Premium 2" Wet Core Drill Bit is designed for professionals and DIY enthusiasts who demand precision, durability, and efficiency in their drilling tasks. Built to tackle the tough materials, this high-performance core bits is your better solution for drilling through hard concrete, reinforced concrete (rebar), brick, masonry, pavers, and asphalt. 1-1/4”-7 standard industry UNC thread sizes. Perfect choice for plumbing and construction professional projects. This 2-inch core drill bit is compatible with most handheld core drills and standard concrete core drills ProductSiteLaunchDate : 2025-03-23T14:11:47.870Z Size : 2 Inch SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 27111700