The Hillman Group 375221 Carbide Drill<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The product is 5/32x4-1/2Tap Drill Bit</li><li>Easy to use</li><li>The product is manufactured in China</li><li>Designed for use with Tapper Concrete Screws</li><li>Carbide tip provides strength and durability</li><li>Use in concrete， brick， block</li></ul></div><img src="http://ecx.images-amazon.com/images/I/311PFi81wDL.jpg" noproxy>