Structural bolts (specialized in producing large-sized fasteners, es)

specialized in producing large-sized fasteners, especially the concrete lifting products
Product Name: hex flange bolts 
Place of Origin: China 
features: 
Producing scope : Diameter:16-64mm length:100-1500mm Diameter:5/8-3inch length:4-60inch 
Mechanical Performance: Class4.8,Class6.8,Class8.8,Class10.9,Class12.9 Etc
Surface: Plain,Black Oxide,ZP,H.D.G Etc 
 hex flange bolts Manufacturer, Supplier, Factory , Exporter in china