手機:13784219111
傳真:0310-6897000
郵箱:1045172477@qq.com鋼結構用大六角頭高強度螺栓配螺母墊圈
表面磷化,發黑,鍍鋅,熱鍍鋅,達克羅
規格:DIN6914/6915/6916,GB1228/1229/1230,
A325(A325M)/A563(563M)/F436(f436,M)/A490(A490M)/A563(A563M)/F436(F436M),JIS1180
GB/T1228
強度級別:10.9s
螺紋:6g
GB/T1229
強度級別:10H
螺紋:6H
GB/T1230
強度級別:HR35-45