ファスナー規格の比較:DIN vs ISO vs ASTM vs ANSI
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ファスナー規格の比較:DIN vs ISO vs ASTM vs ANSI

2026-06-02· ~10 min read

世界中のファスナー規格の完全な比較。国際貿易におけるボルト、ナット、スクリュー、垫圈のDIN、ISO、ASTM、ANSI、BS規格を理解する。

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Understanding Fastener Standards Systems

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Head Marking Comparison

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Metric GradeTensile Strength (MPa)Equivalent ASTM GradeHead Marking
4.8400Grade 2None or 4.8
8.8800Grade 58.8
10.91000Grade 810.9
12.91200Grade B12.9

Thread Standards: Metric vs UNC/UNF

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Common Standard Equivalents

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