Stainless Steel Hexagon Bolt Screw And Nut

Stainless Steel Hexagon Bolt Screw And Nut

Combination screw, just as its name implies, is all kinds of Screws, flat pad, etc., the combination of mutual collocation, a screw with only one ball pad or only with a flat pad, and its use is also very common, mainly used in railway and highway bridge, the boiler steel structure, industrial buildings, high-rise civil buildings, tower mast structure, hoisting machinery and steel structure need to adopt the friction type high strength bolt Combination screw occasions. Or it can only be matched with a flower tooth of the two components, the combination of screws is combined, practical, active power is also active, the use and main characteristics of these combination of screws are matched with the corresponding washer, very convenient to use.

Basic Introduction About Hyunto Nut
Wenzhou Hyunto Automobile parts Co.,Ltd is a professional and large scale company specializing in the production of all kinds of products including fasteners,bolt parts,turning parts and non-standard parts. 
As an OEM, HYUNTO are able to produce CUSTOMIZED Nuts under different standard(DIN, ANSI, GB, JIS, BSW, EN etc), by various materials(carbon steel, alloy steel etc). 

A summary of the production process:

1.Wire - Uncoiled, straightened and cut to length.

2.Cold forging - Molding the steel into the right shape at room temperature.

3.Bolt head - Progressively formed by forcing the steel into various dies at high pressure.

4.Threading - Threads are formed by rolling or cutting.

5.Heat treatment - The bolt is exposed to extreme heat to harden steel.

6.Surface treatment - It depends on the application. Zinc-plating is common to increase corrosion resistance.

7.Packing/stocking - After quality control to ensure uniformity and consistency, the Bolts are packaged.

A summary of the production Testing