Carbon Steel Hex Washer Flange Head Self Drilling Roofing Screw ,din7504k

Special process and characteristic advantages:

1. Galvanized surface , high brightness, strong corrosion resistance.
2. Carburize tempering treatment, high surface hardness.
3. Advanced technology, high locking performance.

The company costly advanced production equipment and exquisite technology from Germany, Japan and Taiwan. Production in strict accordance with international standards, for the production of high-value, high-quality products to lay a better foundation.

 Product Usage:

1.   Apply to metal plate, galvanized steel plate, metal curtain wall, metal light compartment, aluminum door and window, indoor and outdoor decoration.

2.   General anglesteel, channel steel, iron plate, PC Board and other metal material combining installation.

3.    Suitable for assembling steel roof, automobile body, container, shipbuilding industry, freezing equipment and so on.

Handan Shuangzi Metal Products Co., Ltd is a professional manufacturer of drilling screw and tapping screw enterprises. Since its establishment, the company has been focusing on the production and R&D of drilling screw, which has built a modern, high standard, scale, variety of professional production line of drill tail screw. All used equipment are imported from Germany, Japan and Taiwan, with an annual output of high quality, multi-variety drill tail screw .The employed the top domestic technologist, in hexagon-shaping,clipping,thread-rolling,carburize,zinc plated,washer machine,package and other processes, every link strives for perfection and the best.