This waterproof cap is a one-piece waterproof and dustproof protective cover for screws, and a decorative cap for rust prevention. It features an integrated waterproof washer and sealing cap structure, widely applicable to expansion screws, ceiling nails, exterior wall bolts, steel structure fasteners, curtain wall threaded rods, and outdoor pipeline fixing. It tightly wraps around the screw end, isolating it from rainwater, dust, and moisture corrosion, providing both rust protection and aesthetic appeal. It's suitable for outdoor projects, exterior wall decoration, roofing and ceiling installation, photovoltaic brackets, and pipeline fixing – a universal solution.
It will not crack, deform, or fade even with long-term outdoor use, and its service life far exceeds that of ordinary inferior recycled material products.
The cap body and waterproof washer are designed to be seamlessly integrated without breaking. The snap-fit fits tightly to the screw surface, sealing any gaps and effectively preventing rainwater infiltration, dust accumulation, and moisture corrosion. This prevents screws from rusting, slipping, loosening, and corroding, significantly extending the service life of the fasteners.
Fully stocked in multiple specifications and colors, compatible with all screw models.
A complete range of colors including red, black, white, yellow, green, brown, and orange are available. Round holes, star-shaped holes, and square bases are all available in various sizes to perfectly match expansion screws, ceiling nails, and national standard bolts. Easy installation with secure snap-fit, ensuring no falling off.
Aesthetically pleasing and highly decorative, enhancing the overall appearance of completed projects. Uniform color schemes neatly conceal exposed screw ends, hiding messy nail heads and bolts, resulting in clean and tidy finished surfaces for walls, exterior walls, and ceilings, improving the overall aesthetics of the project. Suitable for residential and commercial projects, municipal engineering, and photovoltaic roofs.
Tianjin Lituo owns a complete plastic injection molding production line, handling the entire process from mold development, raw material injection, color matching, and finished product packaging in-house. Factory direct pricing eliminates multiple layers of distributor markups, offering unbeatable value for bulk wholesale and project procurement compared to competitors.
Supports color matching of any color code, exclusive project color schemes, and mass production of brand-customized colors. ✅ Specifications customization: Hole diameter, base shape, cap size, and integrated structure can all be customized with molds. ✅ Logo customization: Supports printing brand logos and project-specific markings on the cap. ✅ Material customization: Can be replaced with aging-resistant, low-temperature resistant, and highly waterproof special plastic materials as needed, perfectly adaptable to irregularly shaped screws, special projects, foreign trade exports, and OEM/ODM full customization needs.
Uses only brand-new environmentally friendly virgin granules throughout the entire process, rejecting recycled materials; each batch of products undergoes aging resistance, high and low temperature resistance, waterproof sealing tensile strength tests, uniform buckle tightness, continuous construction without breakage, and no brittleness after long-term use, ensuring no after-sales problems for mass use on construction sites.
