... 250mm 3. certificate:ISO9001 4.material :Carbon Steel,swrch35k carbon steel hex boltcarbon steel hexboltgradestandardmaterialdiameterlengthsurfacepackagepaymentMOQ3.6(A)DIN(A)Carbon Steelm6-m3010mm ... :zinc, black, plain,H.D.G7) material :Carbon Steel,swrch35k,45#8)thread;BSW,BSF,UNC,UNF etc.9 ... Co., Ltd. was established in 1999.It is a large enterprise specializing in manufacture,R&D, and marketing hex ...