Hello, I come from electronic background and sometime mechanical fasteners are required to secure the connectors and electronic components. I often wonder how the torque values are determined when used with printed circuit board or with metal chassis, when plain and /or split washer are used. secure with fastener. Some said adhesive is required for the nut, some said not necessary. I hope someone can enlighten me on this issue. Thanks and Regards, ~ Wee Mei ~ --------------------------------------------------- Technet Mail List provided as a service by IPC using LISTSERV 15.0 To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF Technet To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL) To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest Search the archives of previous posts at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 -----------------------------------------------------