DaduoRi 3 Inch Core Drill Bit with SDS Plus Water Injection Adapter (1-1/4"-7 UNC), 14" Depth, Include Water Hose Kit, Pro Wet Core Bits for Reinforced Concrete, Brick, Masonry,Stucco,Mortar

Additional Details from the Manufacturer

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More features

• Complete Wet Core Drilling Kit – Includes 3 inch concrete core drill bit (1-1/4"-7 UNC thread & 14" depth), SDS Plus water injection adapter, water hose, clamp, and a quick-connect fitting. Turns your SDS Plus drill into a water-cooled core drilling system
• Professional Water Cooling System – Built-in water port reduces heat and dust for faster, cleaner drilling. Extends the 3 core drill bits life and improves performance in reinforced concrete with rebar(medium-light), brick block, and masonry
• Compatibility – This core drill adapter fits standard SDS Plus rotary hammers(SDS Max also availabe in DaduoRi store) and works with 1-1/4"-7 UNC threaded core bits. Good for DIY use, no professional core drill rig need
• Upgraded Laser-Welded Segments - Reinforced construction minimizes tooth breakage (ROTATION mode only). Segment height: 10mm
• We include step-by-step instructions for fast assembly and water connection. Get drilling in minutes, even for beginners
• Innovative designs from DaduoRi - Our concrete coring bits alaways design to simplify drilling tasks for both professionals and DIYers. Just come!