Bolt, Nut, Self-Tapping Screw manufacturer / supplier in China, offering GB5789 Carbon Steel Grade 8.8 Heavy Series Hexagon Flange Bolts, High Quality M2 M3 M6 M8 M10 M12 304 Stainless Steel DIN 934 Hex Nut, 1/2" X 10" Anchor Bolt with Nut and Washer and so on.