Effective Diamond Core Drill Bit Diamond Finger Milling Bits Diamonds Holes Saw Stepped Pagoda Drill Bit 20-35-50Mm Hole

Specification: Material:tungsten carbide alloy Size:as the picture Color:as the picture Package includes: 1*Effective Diamond Core Drill Bit Features: 1. Industrial-Grade Durability:Forged with tungsten carbide alloy, this diamond core drill bit delivers 300+ cycles of precise drilling on reinforced concrete. Its multi-layered sharp tip ensures long-lasting performance on granite, quartz, and microcrystalline stone. 2. Progressive Stepped Design:Features 20mm/35mm/50mm progressive stages for efficient sink installations and pipe penetrations in a single pass. Welded segments prevent wobbling when transitioning between tile layers and quartz countertops. 3. High-Speed Debris Removal:Equipped with a sharp, multi-layered tip and three-stage reaming design, these drill bits clear debris 50 faster than standard core bits, reducing chipping on delicate materials. 4. Quick Installation & Universal Fit:Easily attaches to most standard drills, impact drivers, or rotary hammers—no pilot hole needed. Ideal for both professionals and DIYers seeking fast, accurate drilling. 5. Multi-Material Versatility:Drills through 6mm glass tiles to 80mm granite slabs without bit changes. Perfect for home improvement, construction, and professional projects across 9+ surfaces. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.