
手機(jī):13784219111
傳真:0310-6897000
郵箱:1045172477@qq.com鋼結(jié)構(gòu)用大六角頭高強(qiáng)度螺栓配螺母墊圈
表面磷化,發(fā)黑,鍍鋅,熱鍍鋅,達(dá)克羅
規(guī)格:DIN6914/6915/6916,GB1228/1229/1230,
A325(A325M)/A563(563M)/F436(f436,M)/A490(A490M)/A563(A563M)/F436(F436M),JIS1180
GB/T1228
強(qiáng)度級別:10.9s
螺紋:6g
GB/T1229
強(qiáng)度級別:10H
螺紋:6H
GB/T1230
強(qiáng)度級別:HR35-45
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