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High Strength carbon steel Hexagon socket head cap bolt
A socket cap screw, also known as a socket head capscrew, socket screw, or Allen bolt, is a type of cap screw with a cylindrical head and hexagonal drive hole. The term socket head capscrew typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times that of the screw shank (major) diameter, with a head height equal to the shank diameter (1960 series design).
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/