Specification :

Our products are including the internal and external hexagonal bolts according to DIN German Standard,ANSI American Standard,BS British Standard,JIS Japanese Standard, AS Australian Standard etc. It mainly produces 50mm-2000mm length, M20-M64 diameter 8.8 level;10.9 level;12.9 GR external hexagonal bolts and M20-M64;50mm-2000mm length 8.8 GR;10.9 GR;12.9 GR internal hexagonal bolts.And we also produce non-standard fasteners.