Diamond Core Drill Bit 25 mm HOGERT HT7D282

Diamond Core Drill Bit 25 mm HOGERT HT7D282 is designed for cutting precise circular holes in hard materials such as ceramic, porcelain, tile, glass and natural stone. The bit has a 25 mm cutting diameter and a diamond-segment cutting edge that enables fast, clean cuts with reduced chipping. It is compatible with rotary drills and drill presses and is suitable for both wet and dry drilling when appropriate cooling or dust control is used.

Advantages

The diamond-segment cutting edge provides improved cutting speed and longevity compared with conventional carbide bits. High diamond concentration and a specialized bonding method ensure stable wear and consistent performance during repetitive drilling tasks. The bit’s M14 thread allows attachment to standard threaded adaptors and some angle grinders, while the compact 25 mm size supports precise, confined installations. The product is supplied in a plastic tube for convenient storage and safe transport.

Suitable for

• Drilling holes for plumbing fixtures, taps and pipe penetrations in tiled surfaces
• Creating openings for electrical boxes or conduit in ceramic and porcelain installations
• Cutting precise holes in glass for fittings or decorative work (use proper technique and protective equipment)
• Tile fitting and renovation work where clean, chip-free holes are required

Key specifications

• Cutting diameter: 25 mm
• Cutting material: diamond-segment edge
• Suitable materials: ceramic, porcelain, tile, glass, natural stone
• Thread type: M14
• Operation: suitable for wet and dry drilling with appropriate method
• Packaging: protective plastic tube for storage

How to use

Mark the drilling position and secure the workpiece to prevent movement. If drilling tiles or glass, start at low speed and use a guide or tape to prevent slippage. Use wet drilling for prolonged life and reduced dust when material and setup allow; for dry drilling, use short intervals to avoid overheating. Fit the bit to a compatible drill or adaptor with M14 thread, apply moderate, steady pressure and avoid forcing the bit. After completing the hole, back off the drill and clear debris from the cutting area.

Usage recommendations

Use appropriate personal protective equipment: eye protection, gloves and respiratory protection when dry drilling. For best results and longer tool life, use continuous water cooling during drilling into hard or dense materials and let the bit cool between passes if dry drilling. Match spindle speed and feed pressure to the material: lower speeds for glass and porcelain, moderate speeds for tile and stone.