Features Premium Boart Material: Crafted from premium boart, these glass drill bits ensure exceptional hardness and durability for long-lasting performance. Wide Application: These versatile glass drill bits are suitable for marble, ceramic tiles, walls, and various other materials, offering great flexibility in your projects. Lower Drilling Resistance: The larger chip removal opening design reduces resistance, making drilling smoother and more efficient. High Torsion Strength: With high torsion, these glass drill bits deliver excellent cutting strength and performance, ensuring and reliable results. Fast Drilling Speed: Experience fast drilling and stable performance with these glass drill bits, achieving round, breach- holes efficiently. Features: 1、Premium Boart: These glass drill bits are made from premium boart material, which ensures hardness and durability. 2、Wide Application: These glass drill bits are applicable to marble, ceramic tiles, wall and other material. 3、Low Resistance: These glass drill bits adopt larger chip removal opening design for lower drilling resistance. 4、High Torsion: These glass drill bits provides high torsion to achieve excellent cutting strength and performance. 5、High Efficiency: These glass drill bits ensure fast drilling speed and stable performance, the hole is round without breach. Specification: Item Type: Tile Drill Bits Material: Boart Opening Diameter: Approx. 40mm / 1.57in Handle Shape: Round Handle Application: Glass, Ceramic Tile, Stone, Floor Tile, Marble, Etc Package List: 2 x Tile Drill Bits Package List 2 x Tile Drill Bits