


Stahlkugel 20 mmStahlkugel 20 mm Durchmesser: 20 mm Einsatzbereich: Speziell fr tribologische Tests Zusatzinformation: Diese Stahlkugeln mit einem Durchmesser von 20 mm sind ideal fr tribologische Prfungen, bei denen grere Kugeln verwendet werden. Sie bieten hohe Hrte und Verschleifestigkeit und gewhrleisten durch ihre przise Fertigung exakte und reproduzierbare Ergebnisse in Tests, die Reibung, Verschlei und Materialpaarungen unter verschiedenen Belastungen
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4.9 ★★★★★
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Product Reviews
★★★★★ 5
As described
Format: Paperback
As described - I'm happy
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Reviewed in the United States on July 28, 2025
★★★★★ 5
Very Useful
Format: Paperback
I used these for my A+ exams and I didn’t really end up reading the material. I more so used them for their practice exams. That’s only because there’s a lot of information to digest and I was in a rush to take the exams. I still passed so I find that they are well formatted. The questions imo needs to be read more throughly than the exam questions themselves.
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Reviewed in the United States on October 24, 2024
★★★★★ 5
Amazing study tool
Format: Paperback
Perfect for the exam goes along with the actual course 👌
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Reviewed in the United States on March 12, 2025
★★★★★ 5
Details I mok
Format: Paperback
I like the explanations, but I don’t like small print, particularly for older people
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Reviewed in the United States on December 20, 2023
★★★★★ 1
31 pages were missing from the test book
31 pages were missing from the test book
Pages 453 to 484 were missing (see attached photo)
It’s very hard to prepare for a comprehensive certification examination studying from an incomplete text. FYI, the book was purchased new and not damaged, it was bound that way
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Reviewed in the United States on February 18, 2023