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Premium 8" 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, Pavers
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Grade
Analysis Confidence
25%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
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Price verified Sep 21, 2026 1:26 AM · Prices & availability subject to change
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📝 Product Overview
🏪 Sold by
DaduoRi
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓30% Faster Drilling: Tested on real construction sites, this 8 inch 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 drill 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: 8 inch; Thread Size: 1-1/4"-7 UNC standard thread. Fits most handheld core drills and core drill machine 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 8 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
⚙️ Specifications
Material
Diamond
Cutting Diameter
8 inches
Finish Type
Uncoated
Shank Type
Threaded
Brand
DaduoRi
Brand Name
DaduoRi
Model
8" high performance core drill
Set Name
Single
Number of Packs
1
Manufacturer
DaduoRi Tool
Part Number
8 inch premium core drill bits
