Ideal Industries TKO Carbide Tipped Hole Cutter， 51mm Hole Diameter</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>SmoothStart pilot drill prevents carbide damage by gradually guiding cutter to material</li><li>Precision ground carbide teeth for fast cutting of clean， round holes</li><li>Designed specifically for sheet metal cutting， even stainless steel</li><li>Over drill flange built in to prevent penetration beyond the sheet metal</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41dQEP1eBdL.jpg' noproxy></br>