<p><b>Descriptions:</b></p><p> </p><p>These triangle glass drills are made of high quality carbide reinforced head, strong toughness and wear resistance. Suitable for drilling in ceramics, Tile, Mirror, Wood, Porcelain, Brick Wall, Glass, etc</p><p></p><p></p><p> </p><p><br></p><p> </p><p><b>Features:</b></p><p> </p><ul> <li>Made of high quality carbide reinforced head that prevents bit cracking and provides a longer life. Surface plating treatment, which is well protected against rust. Strong toughness and wear resistance, applicable to ordinary hand electric drill or bench drill. </li> <li>Suitable for drilling in Ceramics, Tile, Mirror, Wood, Porcelain, Brick Wall, Glass, etc</li> <li>It has 6 sizes(1/8" ,3/16" ,1/4" ,5/16" ,3/8" ,1/2" ) in one set, which meet your different needs perfectly.</li></ul><p> </p><p></p><p> </p><p><br></p><p> </p><p><b>Special Note When Using the Drill Bit：</b></p><p> </p><p>▶ Do not use impact mode of drills or hammers when use the Drill Bit.</p><p> </p><p>▶ The drilling speed of the Drill Bit should be slow, especially in the beginning of drilling.</p><p> </p><p>▶ Please try to keep the drill vertical and use WATER or COOLANT for lubrication when drilling.</p><p> </p><p><br></p><p> </p><p><b>Specifications:</b><br></p><p> </p><p>Size: 1/8" ,3/16" ,1/4" ,5/16" ,3/8" ,1/2"</p><p> </p><p>Surface treatment: plating</p><p> </p><p>Weight:180g</p><p><br></p><p><b>Packing Included:</b></p><p> </p><ul> <li>6 x Glass Drill Bit</li></ul>