Heavy Duty Self Drilling Screws High Toughening Force Hardware Fasteners

Galvanized Color Zinc Screw Diameter 5.5mm Hexagonal Flange Self Drilling Screws

Product description:

Our products of hexagonal drlling screw inclued:5.5*30, 5.5*32, 5.5*35, 5.5*38, 5.5*40, 5.5*45, 5.5*70 etc.Thread tolerances is 4h. Surface treatment is electro galvanizing. The range of packing quantity from 2200 pieces/bag to 5600 pieces/bag.

The tail of the self drilling screws are drilled or pointed tail, which can directly drill, tapping and locking on the material and basic material, and greatly save the construction time. Compared with ordinary screw, its toughening force and maintenance force are high. And over a period of time, the self drilling screws will not be loose after combination.

Qucik detail

XINYUXIANG FASTENING PIECE CO., LTD is located in the biggest fastener production base in China——Yongnian District, Handna City, Hebei Province.

Our company has about 20 years history of fastener production. In 1992, the founder of the company created the original factory, after more than 20 years of development, in 2017, registered as a company with which manufacturing, marketing, and product research and development as a whole.

Now, it has become one of the larger fastener manufacturers in north China. The products of the company contain Hexagon slotted and castle nuts, Hexagonal drlling screw, Electric power fitting, Nylon locknut, Expansion bolt, Hexagon nuts, and so on.