Fastener, Hex Bolts, Stainless Steel Bolts manufacturer / supplier in China, offering Galvanized ASTM A320 L7/L7m A307 a/B Hex Bolt, DIN933 ASTM A307 Full Threaded Long Size Hex Bolt Structural Bolt, M16 Adjustable Feet with Nylon Base for Durable Wardrobe Leg Height Adjustment and so on.