Hex Bolts, Carriage Bolts, Timber Bolts manufacturer / supplier in China, offering A2/A4 304 316 Stainless Steel Hexagon Bolt and Nuts DIN931/933, Carbon Steel Retaining Rings Circlips Serrated Circlips DIN984, Hex Tap Bolts Steel, Grade 5 & 8 Stainless Steel Tap Bolts and so on.