Hexagon-head flange bolt, as a particularly common industrial equipment and appliance used in the industry, because of its decoration precision endurance and strong characteristics, get In widespread use, it was widely used on road and railway bridges, which also include industrial and civil buildings, and cranes. Excavator pen heavy duty Mechanical. Hexagon-head flange bolt is composed of hexagon head and flange surface, its "support area and stress area word ratio" is greater than the ordinary hexagonal head bolt, so this bolt can withstand higher pre-tension force, prevent loosening performance is better, so it is widely used in dry automobile engine, heavy machinery and other products On, the hexagon head head with holes, with slot bolts, when used, the bolts can be locked by mechanical methods, reliable protection against loosening.1. Most problems between suppliers and clients are due to poor communication. Culturally, suppliers can be reluctant to question things they do not understand. We break down those barriers to ensure you get what you want to the level you expect, when you want it. Faster delivery time and the product you want is our Criterion. 2. The credibility is the priority, and the service is the vitality. We promise we have the ability to provide excellent quality and reasonable price products for customers. With us, your safety is guaranteed. 3. Providing Quality Products, Excellent Service, Competitive Prices and Prompt Delivery. Our products are selling well both in domestic and foreign markets. Our company is trying to be one important suppliers in China.