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Shars pink granite

Johnhudson

Aluminum
Joined
Sep 6, 2016
Anyone bought one of these?
shars 24 x 36 x 4 red granite surface plate

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They make a good soak plate, but at 0.0002 TIR flatness there may be a TAR issue when adding up other standards given a 4:1 test accuracy ratio for something like a 0.001 gage. But by using a repeat-o-meter ±0.000020" one could eliminate 95 percent of the error...
 








 
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