Spectrum Superior Superfast Helix Dry Diamond Core Drill - 22mm-HEX

Features

• Universal dry core for long life in most building materials including semi-engineering bricks, clay products, and limestone, aggregate concrete.
• Angled slots extend through back end to expel dust
• Unique ‘Helix‘ barrel design draws dust down the barrel
• 10mm segment height. High diamond concentration
• Laser welded – for ultimate strength. No segment loss GUARANTEED!