DaduoRi 3" Concrete Core Drill Bit with SDS Max Adapter (1-1/4"-7 Thread) - 14" Cutting Depth & Upgraded Welded Teeth Core Bits for Concrete with Rebar, Brick, Masonry,Stucco,Mortar,Wet Coring

Features

• Complete Core Drill Bit Kit – Includes 1× 3" core bit (1-1/4"-7 UNC thread) + 1× standard UNC core drill adapter (SDS Max shank). Good solution for DIYers needing core drilling without professional core rig
• Convert Your SDS Max Drill Instantly – Our core drill bit adapter quickly connects standard SDS Max rotary hammers to core bits. During drilling ,recommend manual water cooling (or updated to our water injection adapter)
• Upgraded Laser-Welded Segments - The 3 inch core drill bits reinforced construction minimizes tooth breakage (ROTATION mode only). Segment height: 10mm
• Compatible Materials: Suitable for coring a wide range of surfaces including reinforced concrete with rebar(medium-light), brick wall, block, stucco,aslphat,mortar and stone
• Innovative designs from DaduoRi - Our concrete coring bits alaways design to simplify drilling tasks for both professionals and DIYers. Just come!