Irwin 3041001 Speedbor Max 1/2-Inch by 6-Inch Self Feeding Spade Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>IRWIN SPEEDBOR drill bits use a tri-flute design for faster chip ejection and less binding</li><li>This 1/2-inch drill bit has cutting spurs with 3 cutting edges for faster， cleaner holes</li><li>A full screw tip allows the drill bit to self-feed for ease of drilling</li><li>The grooved hex shank helps prevent slipping in the drill chuck or bit extension</li><li>Fits virtually any standard 1/4-inch quick-change chucks， including impact drills</li><li>A fast speedbor spade bit that features a Tri-Flute design with a fast chip ejection</li><li>Cutting spurs have 3 cutting edges</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41httosuqiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5108YH7Q9SL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51VJXZ6JEWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/311SKHZC7XL.jpg" noproxy>