2-Piece Diamond Step Drill Bit Set – 20/35/50mm M10 Thread for Angle Grinder & Drill
Upgrade your drilling capabilities with our professional diamond step drill bit set. Engineered for precision and durability, this 2-piece kit delivers exceptional performance on hard, brittle materials like tile, granite, and concrete. The innovative three-stage design eliminates the need for multiple bit changes, saving you time while delivering clean, accurate holes every time.
Complete Package Includes:
2x Diamond Step Drill Bits
2x Shank Adapters for Standard Drills
Ready for Immediate Use
Product Features & Benefits:
Universal M10 Thread Compatibility for Versatile Use
Features a standard M10 thread that fits most angle grinders currently available on the market. The innovative three-stage step design enables progressive hole enlargement from 20mm to 35mm to 50mm without the hassle of repeatedly changing drill bits—significantly saving valuable time and reducing effort on every drilling project, from small DIY tasks to professional installations.
Complete 2-Piece Kit with Drill Adapters
This comprehensive set includes 2 premium diamond step drill bits and 2 shank adapters specifically designed for use with standard power drills. Everything you need for versatile drilling applications across different tools and materials is included right out of the box, providing exceptional value and eliminating the need for additional purchases.
Premium Diamond Coating for Extreme Durability
Engineered with high-quality diamond coating that delivers extreme hardness and superior wear resistance through repeated use. Specifically designed to tackle the toughest hard, brittle materials including tile, granite, concrete, and natural stone while maintaining sharp, efficient cutting performance job after job without rapid dulling or degradation.
4-in-1 Multi-Function Versatile Design
Combines drilling, reaming, chamfering, and polishing capabilities all in one highly versatile tool. Perfect for creating clean, precise holes in tile, marble, granite, engineered stone, quartzite, concrete, bricks, and similar challenging materials—all while significantly minimizing the risk of edge chipping during the drilling process for professional-quality results.
Important Purchase Consideration
Before ordering, please take a moment to verify your tool's compatibility with M10 thread fittings and confirm that this step drill bit set meets your specific project requirements and material types. Have questions about fit or application? Feel free to message our customer support team—we're genuinely happy to help ensure you select the right tool for your specific job needs.
Technical Specifications:
Thread Type: Universal M10
Step Sizes: 20mm, 35mm, 50mm
Coating: Premium Diamond
Included: 2 Bits + 2 Drill Adapters
Applications: Tile, Concrete, Granite, Marble, Stone
Functions: Drilling, Reaming, Chamfering, Polishing
Ideal For: Professional contractors, tile installers, stone fabricators, concrete workers, and DIY enthusiasts who need reliable, multi-size drilling solutions for hard, brittle materials without frequent bit changes.