SPI Micro Surface Finish Comparator Plates, Cylindrical Turning - 14-443-6

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14-443-6

SPI

SPI Micro Surface Finish Comparator Plates, Cylindrical Turning - 14-443-6


Material: Solid Electroformed Nickel


Features:

  • Molded into metal frames
  • Lightweight (2.5 oz) in fitted wallets
  • Fits right into pocket - 2-1/16" L x 5" W overall size
  • Individual specimens: 5/8" L x 1" W
  • Used by Q,C. inspectors, line supervisors, machinists, draftsmen, designers, etc.
  • Wallets contain durable instruction cards allowing user to assess roughness by sight and touch
  • Plates are marked in AA (micro inches), Ra (μm) and Rz as well as "N" numbers
  • All plates conform to SAE and MIL Specs. Manufactured to ANSI-B-46.1-1978. Military Standard 45662.


Specifications:

Item # Machining Method No. of
Specimens
Ra μm Measuring Range Aaμ" N#
14-443-6 Cylindrical Turning 8 0.4 - 50 16, 32, 63, 125, 250,
500, 1000, 2000
5-12



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Micro Surface Finish Comparator Plates - Cylindrical Turning