牌號 | F568M Class 5.8 |
---|---|
對應(yīng)標(biāo)準 | ASTM F568M-2007
米制碳鋼和合金鋼外螺紋緊固件標(biāo)準規(guī)范 Carbon and alloy steel externally threaded metric fasteners |
歸類 | 碳鋼 |
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