The 78mm Sealey Core To Go Dry Diamond Core Drill is an excellent choice for larger penetrations in lightweight building materials, offering substantial diameter capability whilst maintaining the high-speed performance characteristic of this professional range. This size is ideal for larger ducting installations, significant cable routes, major plumbing penetrations, and mechanical services requiring considerable bore holes. Constructed with a thick wall body and multi-slot extraction system, this drill handles demanding applications with ease, efficiently removing debris throughout the cutting process. The 8mm high diamond segments are engineered to maintain consistent cutting performance through soft stone, facing bricks, breeze blocks, and insulation blocks, delivering clean, precise results even under intensive use. Supplied with hex drive adaptor for matched balance and extractor drift, plus integral hex shanks, this drill ensures secure fitment and optimal performance with power tools. Designed exclusively for dry drilling, it provides professional results without the need for water cooling systems, offering cleaner, more convenient operation on site. Features and Benefits: • 78mm diameter ideal for substantial penetrations and larger services • 8mm high diamond segments for extended tool life and consistent performance • Multi-slot extraction system prevents material build-up during operation • Hex drive adaptor and integral hex shanks included for secure connection • Optimised for high-speed drilling in lightweight building materials • Dry drilling only - not suitable for reinforced or non-reinforced concrete Specifications: Brand: Sealey Diameter: Ø78mm Nett Weight: 1.21kg