epdm

Hex washer head self-drilling screws are mechanical basic parts and are in great demand. Usually self-drilling screws are used to ensure safety or generally do not consider the adverse effects of temperature or other dangerous conditions. Commonly used materials are carbon steel and stainless steel. However, in certain occasions, fastener materials need to meet severe corrosion or high strength conditions, and many stainless steel and ultra high strength stainless steels have emerged.

Product name: Roofing Screws Application: Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating Our advantage: One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; OEM Samples for free

Self-drilling drill bit, anti-aging EPDM seal, the same colored nut as the color plate. Self-tapping drill bit: drill bit designed for thick girders; 12.5mm steel boring bar drilled once; drilling, tapping and fixing at one time. EPDM gasket for self-drilling screws with good physical and chemical resistance.