Hex Bolts, Carriage Bolts, Timber Bolts manufacturer / supplier in China, offering DIN7979 Stainless Steel Parallel Dowel Pins with Internal Thread, DIN7985 Phillips Pan Head Machine Screw Half Threaded Screw, DIN427 Stainless Steel SS304 SUS316 A2 A4 Slotted Headless Shoulder Screws and so on.