Bolt, Nut, Screw manufacturer / supplier in China, offering DIN 6922 M6 M10 Zinc Plated Hollow Flange Bolt with Hole Internal Thread Gear Pump Tubing Trailer Spare Parts, Confirmat Screws Steel Material Electric Galvanizing Blue Zinc and Yellow Zinc Self-Tapping Screw Wood Screw Hex Screw China Fasteners Made in China, Factory Hidden Camera Screw Euro Screw Laptop Computer Assemble Repair Screw Is-M5X16 and so on.