Bolt, Nut, Customized Fastener manufacturer / supplier in China, offering Factory Price M8-M150 Grade 4.8-12.9 Carbon Steel Alloy Steel ASTM A194 Gr. 2h Heavy Steel Hex Nut with Custom Surface Treatment, Steel12.9 M27 and M3 M30 M32 Grade 8.8 Xylan PTFE M26 ASTM A193 B16 Stud Bolt with Two Nuts Threaded Rod, High Performance Factory Price Stock Duplex Steel Top Lock Acron Lock Grade C Class8.8 Stainless Steel Ss 310 Inox M6 M8 DIN985 316 A2 304 Nylon Insert Lock Nut and so on.