Fasteners, Standard Parts, Nut manufacturer / supplier in China, offering Stainless Steel Galvanized Zinc Plated Stud Bolt Threaded Rods Supplier in China, Customization DIN 985 Brass Hex Nylon Lock Nuts Made in China, Factory Custom Double End Head Thick Thin Rod Bm=1d Bm=1.25D Bm=1.5D Bm=2D Bm=2.5D Stud Bolts Grade 4.8 8.8 B7 B7m L7 L7m B8 B16 and so on.