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產品描述
標準: DIN 931/ISO4014
鋼制:碳鋼 級別:8.8、10.9、12.9
表面處理:發黑、藍白鋅A2K、彩鋅A2C、達克羅DAC320、達克羅DAC500
不銹鋼:A2-70、A4-70
技術參數
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