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2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread
2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread 2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

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Product details

Management number 219059833 Release Date 2026/05/03 List Price US$15.84 Model Number 219059833
Category
  1. Tools & Home Improvement
  2. Power & Hand Tools
  3. Power Tool Parts & Accessories
  4. Power Drill Parts & Accessories
  5. Drill Bits
  6. Masonry Core Drill Bits
  • Heavy-Duty Wet Coring –2-3/4-inch (≈ 70mm) diameter core bit designed for drilling through hard concrete, reinforced concrete, brick, block and other tough masonry.
  • Standard Thread & Wide Compatibility – 1-1/4″-7 threaded arbor ensures stable connection; fits most standard core drilling rigs and water-cooled systems.
  • Durable Diamond Segment Construction – 10 mm segment height with premium diamond-embedded cutting edge for extended life and efficient coring.
  • Long Reach & Deep Drilling – 15.7″ overall length (works well for deep holes) — ideal for installations like HVAC piping, ductwork, plumbing, stair railings, and structural penetrations.
  • Wet-Only Core Bit for Cleaner, Safer Drilling – Designed for wet drilling to reduce dust, prolong bit life, and maintain cutting performance — recommended for construction, renovation, or demolition projects.

Brand Name NINEROARS
Shank Type Threaded
Unit Count 1.0 Count
Part Number ZCDB47070
Finish Types Diamond
Manufacturer nineroars
Material Type Alloy Steel
Item Dimensions 14.99 x 2.75 x 2.75 inches
Tool Flute Type Spiral
Cutting Diameter 70 Millimeters
Number of Flutes 2
Included Components segment
Surface Recommendation Brick, Concrete, Masonry

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

2-3/4Inch Wet Diamond Core Drill Bits for Concrete Reinforced Concrete and Hard Masonry Core Bit with 10mm Segment Height 15.7" Drilling Depth 1-1/4"-7 Thread

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