Reticle ASTM E-45 Method A, D, E
Reticle ASTM E-45 Method A, D, E
Reticle ASTM E-45 Method A, D, E

Reticle ASTM E-45 Method A, D, E

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KR-843 glass eyepiece grain counting reticle ASTM E-45 Method A, D and E. Square is 0.280" x 0.280" (7.11mm) inside dimension. Scale is 10mm in 100 divisions. E… Read more
SKU: KR843
ASTM Method: ASTM E-45
$125.00
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Description  

KR-843 glass eyepiece grain counting reticle ASTM E-45 Method A, D and E. Square is 0.280" x 0.280" (7.11mm) inside dimension. Scale is 10mm in 100 divisions. Each division = 0.1mm. Reticle is available in a number of different diameters, select when ordering.

  • Lines: Chrome deposition
  • Chamfer: 0.010" - 0.020"
  • Flatness: 2 waves or better
  • Centering: Within 0.005"
  • Glass Thickness: 1.5mm+/-0.2mm
  • Surface Quality: 20/10
  • Parallelism: 2 min.

NOTE: This is a special order product. Please allow 2-3 weeks for delivery. This item is not returnable.

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Description

KR-843 glass eyepiece grain counting reticle ASTM E-45 Method A, D and E. Square is 0.280" x 0.280" (7.11mm) inside dimension. Scale is 10mm in 100 divisions. Each division = 0.1mm. Reticle is available in a number of different diameters, select when ordering.

  • Lines: Chrome deposition
  • Chamfer: 0.010" - 0.020"
  • Flatness: 2 waves or better
  • Centering: Within 0.005"
  • Glass Thickness: 1.5mm+/-0.2mm
  • Surface Quality: 20/10
  • Parallelism: 2 min.

NOTE: This is a special order product. Please allow 2-3 weeks for delivery. This item is not returnable.

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