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Key Features

• -Three-Stage Hole Expansion: The Effective Diamond Core Drill Bit features an innovative three-stage design (20mm/35mm/50mm) for precise, gradual hole enlargement. The conical layered structure ensures smooth drilling through even the hardest materials with minimal vibration
• -Industrial-Grade Diamond Coating: Engineered with premium diamond particles, the Effective Diamond Core Drill Bit maintains exceptional sharpness through extended use. The abrasion-resistant coating delivers consistent performance on granite, quartz, and engineered stone
• -Universal Drill Compatibility: Designed to fit standard drill chucks, the Effective Diamond Core Drill Bit requires no special adapters. Its M10/M14 thread connection works with most rotary drills and hammer drills for immediate professional results
• -Heavy-Duty Construction: The Effective Diamond Core Drill Bit is built from high-strength alloy steel with reinforced cutting segments. This sturdy construction withstands rigorous professional use while preventing overheating during extended drilling sessions
• -Multi-Material Versatility: Perfect for contractors and DIYers, the Effective Diamond Core Drill Bit handles concrete, ceramic tile, marble, granite, and metals. The Effective Diamond Core Drill Bit provides reliable backup for continuous drilling projects