Carriage bolts by size into half round head carriage bolts (corresponding standard GB / T14 and DIN693), small head carriage bolts (corresponding standard GB / T12-85). Carriage bolts, consisting of the head and screw (with male cylinder) of a class of two-part fastener is required with the nut for fastening two parts with a hole. Carriage bolts refers head square neck screws, English as carriage bolt Handan City-standard fasteners Manufacturing Co., Ltd. is located in the country's largest production base of standard parts, the location and convenient transportation. Solid standard fasteners since construction began in 1995 put the product quality as the lifeblood of business, high-quality steel products, the introduction of advanced production equipment and technology, hiring senior technical personnel, workers of all training posts, round after round of strict quality control processes off, has now developed into a large-scale private enterprises with a high standard fasteners production, research and sales. Our company specializes in: high strength nuts, bolts, nuts high-speed rail, shaped nut, 35CrMo nuts, nut finish, reinforced connecting sleeve, carriage bolts, coal special nuts, nut torque, thick nut, railway, highway dedicated nut, open slot nuts, nut hair, architectural fittings, construction screw, wall bolts, anchor bolts, studs, U-bolts, special bolts, high strength special parts, steel bolts, 8.8, 10.9, 12.9 high strength bolts, can be customized according to user requirements of various high-strength shaped pieces. Solid standard fasteners provide long-term high standards of various materials more models, more standard fastener products, widely used in large-scale national key construction projects, products have been sold throughout the country and exported to Hong Kong, Macao, Taiwan, Southeast Asia, Australia, Japan, Korea, Europe and other countries and regions, by unanimous praise from customers. Our aim is to "quality of survival, reputation and development" standard fasteners solid company with first-class equipment, first-class talents, first-class management, produce first-class products, adhere to strict quality management, has passed the ISO9001: 2000 international quality system certification. My company will be "Technology is the root, faith-based, people-oriented, customer first" philosophy and "strict management, excellence, the pursuit of customer satisfaction, with a pass rate of 100%," the quality, providing our customers with quality products and better services. Solid standard fasteners staff sincerely welcome new and old customers inquiries, visit, to discuss cooperation and seek common development, and write a better tomorrow!