hex washer head lag screw

EPDM washered fasteners are specialized fastening solutions that incorporate EPDM washers as sealing components. EPDM is a synthetic rubber renowned for its excellent resistance to weathering, ozone, ultraviolet (UV) radiation, and various chemicals. When integrated with fasteners, EPDM washers enhance the performance of bolted joints by providing effective sealing, reducing the risk of leaks, and accommodating thermal expansion and contraction.


...

Foundation bolts are typically made of high-strength steel, which provides the necessary durability and strength to support heavy loads. They are often galvanized to prevent corrosion and rust, ensuring that they remain secure and stable for years to come. Some bolts may also be coated with a special epoxy to provide additional protection against harsh weather conditions and chemicals Some bolts may also be coated with a special epoxy to provide additional protection against harsh weather conditions and chemicalsfoundation Some bolts may also be coated with a special epoxy to provide additional protection against harsh weather conditions and chemicals Some bolts may also be coated with a special epoxy to provide additional protection against harsh weather conditions and chemicalsfoundationfoundation bolt sizes.

...