Came accross a few of these over the years...
bad connection, sloppy workmanship, 'hurry up', etc.
Can't say it was any one brand of 'nut'. Remember yellow Ideal, & the mid size 3M.
I guess I missed the Chinese version.
Last edited by HotLine1; 01/24/12 11:37 PM. Reason: spelling..OOOPS