Superfast Fasteners - ISO 7380 / DIN 9427 Socket Button Head Screws We are manufacture of Socket But
ISO 7380 / DIN 9427 Socket Button Head Screws We are manufacture of Socket Button Head Cap Screw according to GB/T 70.2, ISO 7380, DIN 9427, BS 4168, BS 2470, ANSI B18.3.4M, ANSI B18.3, JIS B1174 Manufacture of High Tensile Socket Head Allen ......