6Pcs Hole Drill Bit Set | 14-25mm for Marble/Glass/Ceramic | High - Speed Cutting with Oval Chip Hole Design | Brazed Abrasive Tip for Concrete & Artificial Stone

Produktbeschreibung

Oval Chip Hole Design - drill bits feature optimized chip discharge geometry that reduces cutting friction by 40%, minimizing material clogging during continuous drilling on hard surfaces Industrial-Grade Abrasive Coating - Brazed abrasive segments maintain sharpness 3X longer than electroplated bits, delivering 90% drilling performance through marble, granite and vitrified tiles Versatile Tool Compatibility - hole saws work seamlessly with hand drills (3000 RPM limit) and bench drills, featuring 8mm universal shank for steady use in vertical/horizontal applications Ergonomic Secure-Grip Handle - Hexagonal grip design provides 360° force transfer, eliminating bit slippage during wet drilling on ceramic tiles or tempered glass surfaces 6-Size Expert Kit - Includes 14/16/18/20/22/25mm diameter bits with engraved size markings, meeting industry protection standards for low-debris remodeling and artisanal stonework