Diamond Step Drill Bit Set (20mm/35mm/50mm) - M10 Thread Hole Opener for Tile, Concrete, Marble - Chamfer & Polish with Angle Grinder
Product Description
Diamond Step Drill Bit Set (20mm/35mm/50mm) - M10 Thread Hole Opener for Tile, Concrete, Marble - Chamfer & Polish with Angle Grinder
- 3 Sizes in 1 Tool：Save time and money with combined 20mm/35mm/50mm steps – precisely enlarge, chamfer, or polish holes in tile, marble, and concrete without switching bits
- Diamond-Enhanced Durability：High-density diamond particles bonded to a steel core resist wear when cutting hard materials, maintaining sharpness longer than standard bits
- Universal M10 Thread Compatibility：Directly fits 100-type angle grinders (no adapter needed); includes conversion rod for handheld drills – perfect for jobsites or DIY workshops
- Dry/Wet Cutting Flexibility：Engineered for smooth operation with or without water cooling. Minimize dust during dry cuts or extend bit life with wet drilling
- Professional Finish, Reduced Chipping：Multi-layer conical design gradually opens holes to prevent cracking in tile/stone, leaving clean edges for pipes or fixtures
Technical Specifications
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