Fasteners, CNC Parts, Hex Bolts manufacturer / supplier in China, offering Countersunk Head Cross Recessed Nylon Machine Screw M3 M4 M5 M6 M8, Minifix Connecter Connecting Minifix 3 in 1, M3 M4 M5 M6 Red Purple Green Blue Orange Gold Anodized Aluminum Alloy Hexagon Nuts DIN934 Hex Nuts and so on.