20-50mm Hole Opener Sharp Drill Bit Stable Operation Cutting Bit Marble

Label:Yes Selling method:1pc Hole Puncher Color: Yellow Material: Steel Name: Hole Puncher Blade Length: 5cm (1.97 inch)

Blade Diameter: 2.5cm (0.98in) / 3cm (1.18in) / 3.5cm (1.38in) / 4cm (1.57in) / 4.5cm (1.77in) / 5cm (1.97in) / 6cm (2.36in) Description: 1. Dry cutting design supports water-free operation, suitable for ceramic tile, glass, granite and stone processing without extra water tools 2. M10 threaded interface fits most common hand grinders, quick installation and firm connection during drilling work 3. Durable cutting layer delivers smooth cutting effect, less edge breakage when drilling hard slab materials 4. Multiple specifications from 20mm to 50mm, meets daily renovation hole making needs for pipelines and sockets 5. Compact and lightweight structure, easy to carry and replace for on-site construction work Tips: Please keep the tool stable when drilling to avoid slipping and material chipping.