Semi-threaded hexagon bolts black oxide high-strength fasteners

Fully Threaded Hexagon Bolts are designed for use in heavy-duty fastening applications, and feature a hexagonal head for use with a standard spanner.

Handan Ruidu Fasteners co., LTD is located in China's largest standard parts production base-Hebei Yongnian. Our factory have cutting and forming, thread rolling, rolling, heat treatment, such as production equipment, has a mature production technology, advanced processing technology, complete detection means, with the development of strong design capability, careful processing and quality products. Our factory mainly produces: 45# steel, 40 35 crmoa nut, 16mn, cr, 25 cr2mov, 35 crmoa, conditioning magnitude 8.8, 10.9, 12.9 stud. 35 crmoa nut, 45# steel, drawing materials, dept. of materials, widely used in mining machinery, bridge, oil field, chemical industry, steel mills, power plants, tower crane, large buildings and large span steel structure, and build all kinds of standard parts.

http://www.ruidufasteners.com/