DEDRA Corona diamantata 117mm/400mm

The DEDRA Diamond Crown 117mm/400mm is a high-quality diamond core drill bit designed for professional drilling in hard materials such as concrete, brick, and stone. With a diameter of 117mm and a length of 400mm, this tool is ideal for creating precise openings for pipes, cables, and ventilation systems.

Advantages

Diamond-tipped cutting edge ensures long life and efficient drilling. Compatible with most standard drill chucks. Suitable for wet or dry drilling applications.

Suitable for

• Professional construction and renovation work
• Drilling through reinforced concrete, brick, and natural stone
• Creating openings for plumbing, electrical, and HVAC installations

Key specifications

• Diameter: 117 mm
• Length: 400 mm
• Material: Diamond-coated steel
• Connection: 1 1/4" UNC thread

Recommendations

Use with a suitable core drill machine and water cooling for optimal performance and extended tool life. Always wear appropriate safety gear.