Marcrist Diamond Core Drill Bit 117mm - 1/2″ BSP (F) Rotary for Concrete & Brick Professional Large Diameter (1849F)

PROFESSIONAL LARGE DIAMETER CORE DRILL BIT; Heavy-duty 117mm core drill bit engineered for fast, controlled drilling in concrete, brick and block. ROTARY CORE DRILL BIT DESIGN; Designed strictly for rotary use (no hammer action), compatible with SDS Plus and 3-jaw chuck drills via the correct adaptors, sold separately. EASY-START SEGMENTS; Precision diamond segments ensure smooth entry into concrete with improved accuracy and reduced wandering, making this an accurate 117mm concrete hole saw for 110mm soil pipe access. LOW VIBRATION SOLID BARREL CONSTRUCTION; Dynamically balanced 165mm steel barrel improves stability and produces cleaner core extraction in masonry materials. DRY CORE DRILLING CAPABILITY; Versatile dry diamond core drill bit compatible with dust extraction systems; connecting a core drill dust extractor supports cleaner, safer indoor working. TRADE & DIY SUITABLE; Ideal for builders, plumbers, electricians and HVAC installers, plus confident DIY enthusiasts, this 117mm diamond core drill bit suits both site work and home improvement projects.