Surface Roughness Comparators 30 Specimens Surface Roughness Standards with Ra0.05-12.5um for Surface Roughness Tester Gauge

★★★★★ 4.2 126 reviews

US$86.00
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US$86.00
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Free shipping Free 30-day returns

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Management number 220428204 Release Date 2026/05/03 List Price US$86.00 Model Number 220428204
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specifications Quantity: 30pcs Ra value: 0.05-12.5mm usage:Compare and Determine the Degree of the Surface Finish

  • This set contains standards for the six most important maching methods in the prevalent "AA" values.
  • These Surface Roughness is used to compare and determine the degree of the surface finish by comparision method and eye estimation or magnifying glass.
  • The surface rough contrast blocks is made of 45 super carbor steel except the GCr 15 which is using to plat lapping the sample block.
  • All 30 speciments are calibrated in u" AA( ArithmeticalAverage)and in the metric equivalents um Ra.
Item Weight 2.2 pounds
Manufacturer BHYIQI
Item model number 2025022507
Product Dimensions 7.87 x 3.94 x 1.97 inches

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