We are drilling with #73 Megatool 800 hits maximum with .012" thick 3003 aluminum entry into GFK 062 1/1. There appears to be some random misalignment when comparing the artwork to the panel. What causes drill wander and what can be done to minimize it. Thanks for your time, Richard MacCutcheon ################################################################ TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TechNet <your full name> To unsubscribe: SIGNOFF TechNet ################################################################ Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################