Effective Diamond Core Drill Bit, Diamond Core Drill Bit Set 20-35-50mm, Stepped Pagoda Hole Expander, Multi-Layer Chamfer Conical Reamer, for Ceramic Tile, Marble, Wood (Silver*2,M10)

Effective Diamond Core Drill Bit, Diamond Stepped Pagoda Drill Bit 20-35-50mm Hole Expander, Chamfer Multi-Layer Conical Hole Opener for Metal, Concrete, Tile, Marble, Engineered Stone<br> <br> Specification：<br> More Details:<br> Name: Effective Diamond Core Drill Bit<br> Color: Gold/Silver<br> Size: As show in the picture<br> Usage: Enlarged Hole<br> Model: M10/M14<br> <br> Package Include: <br> 1Pack / 2pack / 3pack * Effective Diamond Core Drill Bit<br> <br> Note: <br> 1. The products are all measured by hand, there is a slight deviation <br> 2. Due to different shoCoting lights and monitors, there may be a little color difference <br> 3.If you have any question about our products, please contact us in time, we will solve problem for you <br>

• ‌Diamond Core Drill Bit: This diamond core drill bit features a stepped design with 20mm, 35mm, and 50mm hole sizes. Perfect for accurate hole expansion across a variety of surfaces including ceramic, concrete, tile, and engineered stoneUltra-Sharp & Efficient Reaming: Equipped with a multi-layered sharp diamond tip and three-stage reaming structure, it ensures fast, clean, and precise drilling—even through the toughest materials like granite and quartzExceptional Durability & Longevity: Constructed with industrial-grade diamond coating and a solid core, this bit maintains sharpness and cutting power after repeated use. Ideal for heavy-duty and long-term construction or renovation tasksSimple Installation & Universal Fit: Designed for convenience, this hole saw bit easily mounts on most standard drills. No special tools required—suitable for professionals and DIYers alikeMulti-Surface Compatibility: Whether you're working on tile, marble, concrete, microcrystalline stone, or quartz, this bit delivers consistent, smooth results across all surfaces, making it an essential tool for home, commercial, and industrial projects
• Diamond Core Drill Bit: This diamond core drill bit features a stepped design with 20mm, 35mm, and 50mm hole sizes. Perfect for accurate hole expansion across a variety of surfaces including ceramic, concrete, tile, and engineered stone
• Ultra-Sharp & Efficient Reaming: Equipped with a multi-layered sharp diamond tip and three-stage reaming structure, it ensures fast, clean, and precise drilling—even through the toughest materials like granite and quartz
• Exceptional Durability & Longevity: Constructed with industrial-grade diamond coating and a solid core, this bit maintains sharpness and cutting power after repeated use. Ideal for heavy-duty and long-term construction or renovation tasks
• Simple Installation & Universal Fit: Designed for convenience, this hole saw bit easily mounts on most standard drills. No special tools required—suitable for professionals and DIYers alike
• Multi-Surface Compatibility: Whether you're working on tile, marble, concrete, microcrystalline stone, or quartz, this bit delivers consistent, smooth results across all surfaces, making it an essential tool for home, commercial, and industrial projects