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30PCS Surface Roughness Comparator,Surface Finish Comparator Set,Roughness Test Block Ra0.05-12.5mm Microfinish Comparator for Machinery Manufacturing Lathe Teaching

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【Different Processing Techniques】 Six processing techniques (horizontal milling, vertical milling, turning, plain grinding, flat lapping, and external grinding) have their roughness measured by this surface roughness comparator. Capable of carrying out a wide range of tasks, including measuring diverse surface kinds and inspecting a range of textures.
【Superior accuracy Measurement】 The surface roughness stand comparator comes with 30 samples of varying roughness levels as standard. This gives you a lot of options to quickly identify and contrast various surface characteristics, ensuring that the product satisfies the highest requirements.
【Consistent and Robust】 These surface roughness gauges are composed of 45 super carbon steel, a sturdy and long-lasting material that resists corrosion and is difficult to distort. It is adequately protected from rust by an oil film. You may be confident that it will be used repeatedly over time to guarantee accuracy and dependability.
【Simple to Use】 It is simple to compare, examine, and identify thanks to the surface roughness standards set's clearly marked model number and the sample blocks' orderly, one-to-one correspondence. Whether you are a student or an experienced engineer, you can operate and compare with ease to suit your demands.
【Broad Range of Uses】 At addition to being appropriate for measuring surface roughness, quality assurance, and calibrating instruments, composite pocket set gauge can also serve as a visual teaching tool for mechanical majors at colleges and universities, fulfilling a variety of application requirements across diverse sectors and domains.

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Customer Review

Reviewed in the United States on February 16, 2025

I needed a roughness tester for my projects. This worked well for that purpose.

William Faulk

Reviewed in the United States on January 5, 2025

I could maybe pick some nits. Some of the sample blocks aren't exactly square. Their horizontal mill has some runout or something causing their milling marks to be slightly wavy. The sticker label overruns the plinth slightly. But none of this makes any difference. They even corrected the typo you can see in the product photo.This does exactly what it's supposed to and seems accurate without feeling cheap at all. What else could you ask for? A rich Corinthian leather wallet, perhaps?

Jon B

Reviewed in the United States on January 28, 2025

Nothing to complain about here. This is pretty typical of run of the mill surface finish specimens at a slightly better than average price.

Smith

Reviewed in the United States on January 24, 2025

Helivivfy 30PCS Surface Roughness ComparatorGood to have around to make sure your tooling is doing what it should be. Nice set of standards.

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30PCS Surface Roughness Comparator,Surface Finish Comparator Set,Roughness Test Block Ra0.05-12.5mm Microfinish Comparator for Machinery Manufacturing Lathe Teaching

Product Description