Carbon Steel Fasteners, gr.4.8, gr.5.8, gr.6.8, gr.8.8, gr.10.8, gr.12.9, ASME B18.2.1 Hex Bolts ASME B18.2.2 Hex Nuts ASME B18.22.1, Stud Bolt, Hex Bolt, Hex Bolt with partial thread, Hex Bolt with full thread, Threaded Rod, U-Bolt, Hex Socket Cap Шураг, hex, hex yut, хавтгай угаагч, хаврын угаагч ./^ - Zhengzhou Huitong Pipong Pipeline Co.