Ray you are probably looking at BK/BF 15mm for a 20mm screw.
linearmotionbearings...Google search.ebay store.
A20mm set is $59.I didnot see a 15mm set but he has them.E-mail him to check stock
Larry
BTW they are scarry cheap
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L GALILEO THE EPOXY SURFACE PLATE IS FLAT
Last edited by lgalla; 10-30-2009 at 05:12 PM.
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