DEDRA sada diamantových vrtacích koruniek vákuovo spájkovaných 28, 35, 68 mm 3 kusy

Professional set of three vacuum-brazed diamond corers from DEDRA, designed for precise drilling in hard materials such as ceramic tiles, porcelain, granite, marble, and glass. The vacuum brazing technology ensures a strong bond between diamond grit and the steel body, providing long service life and fast cutting performance. Each corer features a smooth cutting edge that reduces chipping and delivers clean holes. Suitable for use with standard electric drills (recommended speed: 800-1200 RPM). The set includes diameters 28 mm, 35 mm, and 68 mm, covering common sizes for plumbing, electrical, and renovation work.

Advantages

Vacuum brazed diamond coating for extended durability and faster cutting. No need for water cooling when drilling in tiles (use low speed). Compatible with most hand drills. Clean, precise holes without cracking or chipping.

Suitable for

• Ceramic and porcelain tiles
• Granite and marble
• Glass and glass mosaic
• Hardened concrete (light use)

Key specifications

• Set includes: 28 mm, 35 mm, 68 mm diamond corers
• Technology: Vacuum brazed
• Application: Dry or wet drilling
• Shank: Hexagonal or round (check compatibility)
• Quantity: 3 pieces

Recommendations

Always wear safety goggles and a dust mask. Use a guide drill or template for initial positioning. For best results, start at a 45° angle to create a groove, then straighten to vertical. Keep drill speed moderate to avoid overheating.