KGS RED K855 - M14 Dry Diamond Drill Bit 20 mm

KGS RED K855 - M14 Dry Diamond Drill Bit 20 mm

Heavy-duty diamond drill bit with cooling slots for extra-large holes



The KGS RED K855 - 20 mm is a high-performance diamond drill bit engineered for dry use on ceramic, composite, and natural stone surfaces. With its expanded 40 mm drilling depth and integrated cooling slots, this bit is the perfect tool for creating larger holes for plumbing, conduit, or heavy-duty installations.



Its vacuum-brazed diamond edge delivers efficient cutting power even in the toughest materials. The built-in cooling holes improve heat dissipation, extending tool life and preventing overheating - ideal for dry drilling without water.



Thanks to the M14 threaded connection, this drill bit can be attached directly to any standard angle grinder without adapters. The 20 mm diameter ensures a precise, clean cut for more intensive applications.

Benefits at a glance:

• Powerful diamond drill bit for dry drilling in hard surfaces

• Cooling slots for heat management and durability

• Optimized for ceramic, stone, and composite materials

• M14 thread - quick installation on angle grinders

• Diameter: 20 mm

• Drilling depth: 40 mm

• Speed: 11,000 rpm



A professional-grade solution for demanding jobs requiring strength, speed, and reliability.