GRAPHITE Diamond Core Drill Bit for Porcelain Stoneware 100 mm M14 Dry Drilling

Engineered with vacuum brazed diamond technology, this 100 mm core drill bit delivers a continuous diamond rim for clean, precise holes in porcelain stoneware, granite, marble, and natural stone. The integrated cooling wax and side holes ensure efficient dry drilling with minimal dust and heat buildup.

Overview

The GRAPHITE TOP-57H300 is a professional-grade diamond core drill bit designed for dry drilling applications. Its high-grade steel body and M14 mounting thread make it compatible with standard angle grinders, offering exceptional durability and wear resistance. The 70 mm overall length provides excellent control, while the side slots allow for easy core ejection after drilling.

What stands out

• Vacuum brazed diamond particles for extended lifespan and consistent cutting performance
• Integrated cooling wax reduces friction and prevents overheating during dry drilling
• Side holes facilitate dust removal and core extraction, improving work efficiency
• Suitable for both professional contractors and DIY enthusiasts working with hard, brittle materials

Technical details

• Drill bit type: Diamond core drill bit
• Diameter: 100 mm
• Mounting thread: M14
• Compatible tools: Angle grinder
• Drilling method: Dry drilling
• Material compatibility: Porcelain stoneware, ceramics, tiles, granite, marble, natural stone
• Body material: High-grade steel
• Cutting edge: Continuous diamond rim
• Max rotational speed: 12,000 RPM
• Overall length: 70 mm

Our verdict

With its robust construction and advanced diamond technology, this drill bit is a reliable choice for demanding tile and stone work, delivering clean holes and long service life.