Marcrist Diamond Core Drill Bit 28mm - 1/2″ BSP (F) Rotary for Concrete & General Masonry Suitable Drills, SDS Plus or 3-Jaw Chuck Fitting (1028F)

PROFESSIONAL DIAMOND CORE DRILL BIT; High-performance 28mm core drill bit engineered for fast, controlled drilling in concrete, brick and block, and an equally capable brick core drill bit for masonry and general building work. ROTARY CORE DRILL BIT DESIGN; Designed for rotary use only (no hammer action). The 1/2 BSP (F) fitting works as an SDS core drill bit with SDS Plus and 3-jaw chuck drills via the correct adaptors, sold separately. EASY-START SEGMENTS; Precision diamond segments allow smooth entry into concrete with reduced wandering and cleaner core formation. An accurate masonry hole cutter for 22mm copper pipes or 15mm with lagging 350mm Long no extension needed. LOW VIBRATION SOLID BARREL CONSTRUCTION; Dynamically balanced 400mm steel barrel improves the stability of this masonry core drill bit and delivers cleaner core extraction. 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.