Various Sizes Zinc Plated Hex Head Self-Drilling Screw

Various Sizes Zinc Plated Hex Head Self-Drilling Screw Product Description:   Material of Sealing Washer: EPDM, durable and good rust resistance, you don't have to be frustrated by rust   Wide Application: Hexagonal Washer Head Self-Drilling Screws are very suitable for wood, metal or other hard materials, and are well-known for their efficient application performance and durability. You can see them in all walks of life because they are widely used in various industries such as construction, manufacturing, engineering, assembly, etc.   Packing Quantity: Our products strictly control the quantity of each package and are packed in a sturdy and durable box. You don't have to worry about receiving damaged packages or the package quantity not matching the actual one   Square welding nut products are widely used in key industries and infrastructure processes such as ports, power, steel, shipbuilding, petrochemicals, mining, railways, construction, metallurgy, chemicals,…