2Pcs Diamond Step Drill Bit, 20mm 35mm 50mm Diamond Core Drill Bit Diamond Hole Opener Puncher Round Hole Cone Grinder Bit for Marble Stone Tile Concrete Granite Quartzite, M10 Thread
Product Description
2Pcs Diamond Step Drill Bit, 20mm 35mm 50mm Diamond Core Drill Bit Diamond Hole Opener Puncher Round Hole Cone Grinder Bit for Marble Stone Tile Concrete Granite Quartzite, M10 Thread
- Three-in-one size design: 20mm/35mm/50mm are available to meet different hole diameter requirements, achieve precise hole expansion, and significantly improve work efficiency
- Durable material: High-density diamond particle coating is used, the cutting edge is sharp and durable, and can quickly penetrate hard materials such as concrete, tiles, marble, etc.
- M10 thread: M10 thread interface is used, which can be easily connected to the 100mm angle grinder; the package contains a special conversion rod that can be quickly adapted to the use of handheld electric drills to meet the needs of different construction scenarios.
- Multi-functional application: It integrates the functions of drilling, hole expansion, chamfering, and polishing existing holes. It is widely used in various materials, including concrete, tiles, marble, granite, quartzite, and microcrystalline stone.
- Efficient hole opening: Designed for precise hole opening, it can easily meet DIY and professional needs. The three-step size makes drilling operations time-saving and labor-saving
Technical Specifications
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