Surface Roughness Comparator Inch/Metric Combo, 3602-0226


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$219.98

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Description

Surface Roughness Comparator Inch/Metric Combo #3602-0226

Applications:

  • Used to determine the degree of the surface finish by comparison method and visual estimation or magnifying glass.
  • Ideal for on-site or in-process checks in a machine shop, inspection lab, or QC environment.

Features:

  • Contains standards for the (6) most important machining methods: horizontal milling, vertical milling, turning, plain grinding, flat lapping and external grinding.
  • Range of 2 to 500μ" and 0.05 to 12.5μm
  • Convenient format: each finish sample is bonded in a compact panel and labeled clearly for quick reference.
  • Protective fitted case included for easy transport and storage.

How to Use:

  • Select the finish range closest to your part’s expected roughness.
  • Compare the sample to the part surface—visually or under magnification—to estimate the part’s roughness.
  • Record approximate Ra values in both μin and μm if needed.
Machining Method Specimens No. of Specimens
Turning 16, 32, 63, 125, 250 and 500μ"AA 6
Vertical Milling 16, 32, 63, 125, 250 and 500μ"AA 6
Horizontal Milling 16, 32, 63, 125, 250 and 500μ"AA 6
Plain Grinding 2, 4, 8, 16, 32 and 63μ"AA 6
External Grinding 8, 16, 32 and 63μ"AA 4
Flat Lapping 2 and 4μ"AA 2

 

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