View single post by Jim Ketcham
 Posted: 11-20-2012 01:43 am
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Jim Ketcham

 

Joined: 03-13-2005
Location: Salt Point, New York USA
Posts: 192
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Metal expansion locknuts are available from mcmaster-Carr.
That said, nylock grade 8 are stronger than original. Surprisingly, the original are only grade 5.