The OX Spectrum Superior Super-fast Helix Dry Diamond Core Drill is a premium, professional-grade core bit engineered for trade longevity and rapid drilling speed. This 78mm variant is specifically optimised for creating clean, fast cuts for trade installations like small HVAC vents and boiler flues. It features a unique Helix barrel design that actively pulls debris away from the cutting face, paired with a high diamond concentration to easily penetrate tough masonry.

• Helix Barrel Design - Draws destructive dust down the barrel smoothly.
• Angled Waste Slots - Expels dust efficiently through the back end.
• Laser Welded Segments - Offers ultimate strength and prevents segment loss.
• High Diamond Concentration - Ensures exceptionally fast cutting and extended lifespan.
• 10mm Segment Height - Delivers superior long-life wear performance.