I’m a China-based Manufacturer of Waterproof screws, here to meet your toughest outdoor and wet–environment needs. My screws are designed to resist moisture, salt spray and temperature changes, using premium stainless steel and protective coatings. With a rugged drive and precise tolerances, installation is quick and secure across wood, metal, and composite substrates. I offer a full range of head styles and sizes from M3 to M10, with options in stainless, coated steel, and brass, plus specialized threading for weatherproof assemblies. For B2B buyers, I provide bulk quantities, flexible packaging, and ODM/OEM services to fit your project timelines. Short lead times, consistent supply, and quality tested to your standards are my promise. I am proud to serve industries like construction, marine, and outdoor equipment, shipping from China with transparent pricing. If you need a reliable waterproof screw solution, I’m ready to discuss your specifications and shipping requirements today.
Waterproof screws are designed to resist moisture, salt spray and humidity in harsh environments. The best choice combines material with sealing: corrosion-resistant stainless steels (304/316), coated carbon steel, or titanium, paired with washers or elastomer O-rings to prevent water ingress. Depending on the use, they can meet IP67/IP68, and even IP69K with high-pressure cleaning. Finishes such as hot-dip galvanizing, zinc-nickel, or ceramic coatings extend life. Buyers should seek traceability, certifications (RoHS, REACH), and reliable test data. In global procurement, waterproof screws stand out for steady performance across projects—from outdoor enclosures and solar mounting to marine electronics and outdoor lighting. Important criteria include supply reliability, customizable lengths and drive types, packaging for remote regions, and reasonable lead times. Consider total cost of ownership: initial price, corrosion resistance, maintenance, and downtime saved. Align material, finish, and seal with actual service to reduce risk and achieve durable, long-term value.
| Screw Type | Material | Finish | Length (mm) | Diameter (mm) | Thread | Head Style | Drive Type | Corrosion Class | Temp Range (°C) | Pull-out Rating (N) | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Deck Screw | Stainless Steel 316 | Satin | 50 | 4.8 | Coarse | Countersunk | Torx | C5-M | -40 to 120 | 280 | Suitable for marine outdoor decks |
| Deck Screw | Stainless Steel 316 | Satin | 65 | 5.0 | Coarse | Pan | Phillips | C5-M | -50 to 125 | 320 | Exterior wood-to-metal bonding |
| Self-tapping Metal Screw | Carbon Steel | Zinc Plated | 25 | 4.2 | Fine | Pan | Torx | C2 | -20 to 80 | 140 | General purpose metal-to-metal |
| Self-Drilling Screw | Stainless Steel 304 | Polished | 30 | 3.9 | Fine | Hex Washer | Torx | C3 | -20 to 110 | 180 | Light-gauge metal fastening |
| Outdoor Furniture Screw | Stainless Steel 304/316 | Satin | 40 | 4.5 | Coarse | Countersunk | Torx | C5-M | -40 to 100 | 210 | Weather-resistant for outdoors |
| Roofing Screw | Stainless Steel 316 | Polymer-coated | 60 | 4.8 | Self-tapping | Hex Washer | Torx | C5-M | -40 to 110 | 260 | For metal roofing with sealant |
| Concrete Screw | Carbon Steel | Zinc Plated | 32 | 5.0 | Deep-thread | Pan | Phillips | C2 | -5 to 90 | 90 | Anchoring into masonry with plug |
| Marine Deck Screw | Stainless Steel 316 | Satin | 80 | 5.5 | Coarse | Countersunk | Torx | C5-M | -30 to 120 | 420 | Heavy-duty marine deck fastening |