Galvanized Steel Hex Bolt DIN933

Galvanizing process: A layer of zinc is plated on the surface of the product for surface treatment such as appearance and rust prevention.
Fine workmanship: Standard external hexagon, smooth surface, uniform force, easy to slip when rotating.
Fine thread: the screw mouth is deep, the pitch is uniform, the surface is smooth, and there is no burr.

We have many years of production experience in the production of fasteners.We not only have new imported prodution equipment and spacious storage space,but also have a group of experienced workers and professional engineering R & D team. Therefore, our company has enough strength to meet the needs of customers.

From raw materials to end product delivery, it has a strict control program. Accurate completion is done about:
Standard parts: wiring- roughing – annealing- pickling – drawing – heading(cold forging or hot forging) – threading(rolling) – heat treatment -surface treatment –cleaning –inspecting-packaging
Customization parts: heading, stamping or casting-wire cut edm machine -CNC (machining center) -grinder threading(rolling) – heat treatment -surface treatment –cleaning –inspecting-packaging.
Perfect Quality about Galvanized Steel Hex Bolt DIN933:
We have strict quality control from producing to delivery. Our company had strong technology support. We have cultivated a group of managers who are familiar with product quality, good at modern concept of management.