-----Original Message-----
From: Greg Gelhar <gmark@gosignup.com>
>I have had to undo many bolts locked with this type of lockwasher. They are
used
>everywhere on the CNC punch presses I service. When undoing a fastener, you
>really have to use a lot of force to overcome the wedging action of the two
piece
>lock washer.
>The wedging is what makes them work. In fact as you undo the bolt, for a
moment
>it actually gets tighter.
Unless they are really hard, and can cut into a grade 8 bolt head, I don't
see why they don't slide against the bolt head.
Phil Ethier Saint Paul Minnesota USA
1970 Lotus Europa, 1992 Saturn SL2, 1986 Suburban, 1962 Triumph TR4 CT2846L
LOON, MAC pethier@isd.net http://www.mnautox.com/
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