Brazed Drill Bit Hole Opener For Marble Concrete Glass Tile Stone Drilling(35mm)

Made of premium material with high hardness, in use Strong opening performance, fast drilling speed, drilling without seamless Application: Suitable for drilling marble, concrete, , tile, glass, etc Features: Made of premium material with high hardness, in use Strong opening performance, fast drilling speed, drilling without seamless  Application: Suitable for drilling marble, concrete, , tile, glass, etc  Adopting high quality brazing technology, the tooth blade is , the opening hole is without broken edges, and there is no tremor Chip removal hole design, conducive to chip removal Can be installed on the electric drill easily for labor-saving

Specification: Material: Size:16mm Celsius 0.6in,35mm Celsius 1.4in(Optional) Weight: 37 g-85 Celsius 1.3-3 oz(approx.)

Note: 1. The hole opener is installed on the electric drill. Since this kind of hole opener does not have a center positioning bit, please operate it carefully and pay attention to 2.Speed can t be too fast, keep slow speed 3. Keep adding water for cooling. Dry drilling is strictly prohibited, otherwise high temperature friction will affect the use effect