<ul> <li>Available in Seven Sizes</li> <li>High Quality and Long Lasting</li> <li>Our Best Selling Masonry Drill Bits</li> </ul>Our <b>CRL Heavy-Duty Masonry Drill Bits</b> are manufactured for drilling into several different materials including: Concrete, cement, slate, brick, marble, stone, and others. They work in both regular and impact drills. These are quality, brite finish drill bits that drill faster and last longer. <ul> <li>Minimum Order - 1 Each</li> <li>Overall Length - 6&quot; (152 mm)</li> <li>Shank Diameter - 1/4&quot; (6.4 mm)</li> <li>Ship Via - Can Ship UPS</li> <li>Shipping Weight - 3 oz (91g)</li> <li>Subcategory - CRL Masonry Drills &amp; Accessories</li> <li>Shank - 1/4&quot; (6.4 mm)</li> <li>Length - 6&quot; (152 mm)</li> <li>Manufacturer - CR Laurence</li> <li>MSRP - 0.00</li> <li>MfrPartNumber - 5MD</li> <li>Brand - CR Laurence</li> <li>Vendor - CRLaurence</li> </ul>