DIN 125/ DIN 126/ DIN 433/ DIN 9021/ DIN 1440 ISO 7089/ ISO 7090/ ISO 7091/ ISO 7092/ ISO 7093/ ISO 8738 ASTM F436/F436M NEN 2269/ 2270/ 2276 TCVN 134-77
M5~M100
普通,黑色,镀锌,热浸镀锌,达克罗涂层,Geomet涂层...
碳素钢,合金钢,不锈钢,特殊塑料...
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