I burned it as long as it took to come out. Started slow then ended up having to melt it out. Maybe it was just age welded in. Drilling is clean, fast and effective, learned that one from a Fred Terry article. Aloha, Dennis No virus found in this outgoing message. Checked by AVG. Version: 7.5.549 / Virus Database: 270.9.0/1778 - Release Date: 11/9/2008 2:14 PM