BLACK GRANITE SURFACE PLATE 18x24x3 Grade B - 57-037-613

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BLACK GRANITE SURFACE PLATE 18x24x3 Grade B - 57-037-613
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57-037-613
BLACK GRANITE SURFACE PLATE 18x24x3 Grade B - 57-037-613

BLACK GRANITE SURFACE PLATE 18x24x3


3" Thick 

Grade B

  • Meets or exceeds Federal Specification GGG-P-463C.
  • Harder than steel.
  • Retains accuracy for years.
  • Overall accuracy: ±.0003"
BLACK GRANITE SURFACE PLATE 18"x 24" x 3"