NINEROARS 2 inch Wet Diamond Core Drill Bit for Concrete & Hard Masonry – 400 mm Drilling Depth, 10 mm Segments, 1-1/4"-7 Universal Thread Arbor

PRECISE & DEEP CORE DRILLING – 2 inch diameter bit with up to 400 mm (15.7") drilling depth, ideal for core drilling through reinforced concrete, masonry and hard surfaces.

HIGH-QUALITY DIAMOND SEGMENTS – 10 mm segment height gives robust cutting power and longevity; engineered for wet drilling to reduce friction and overheating, extending bit life.

UNIVERSAL 1-1/4"-7 ARBOR THREAD – Fits most standard core drill machines — simply check thread compatibility before purchase for hassle-free installation.

VERSATILE APPLICATION – Perfect for plumbing, HVAC installation, anchor bolt placement, conduit installation, or any project needing clean, precise round holes through masonry or concrete walls/floors.

DURABLE & SAFE PERFORMANCE – Built to reduce chipping and cracking on tough surfaces; wet drilling design minimizes dust and debris for safer, cleaner worksite.

Use the NINEROARS wet diamond core bit for your toughest masonry and concrete drilling tasks. Engineered for durability and precision, this 2″ bit with 400 mm (15.7") drilling depth and 10 mm diamond segments cuts smoothly through reinforced concrete, block, brick, stone and other hard materials. Whether you’re installing plumbing, HVAC ducts, electrical conduit, anchor bolts, or making structural penetrations — the universal 1-1/4"-7 arbor thread ensures compatibility with most core drilling machines. The wet-drilling design significantly reduces heat and friction, extending the life of the bit and reducing dust and debris for a cleaner, safer job site. With this core bit, you get a reliable tool that delivers deep, clean holes with minimal effort — a must-have for contractors, renovation professionals, and serious DIYers tackling heavy-duty masonry work.