Hex Head Self Tapping Screw With PVC Washer features a hexagonal head for easy driving with a standard wrench or socket, and a self-tapping thread design that allows it to create its own threading in pre-drilled holes, making installation quick and efficient. The screw is accompanied by a PVC (Polyvinyl Chloride) washer, which serves as an excellent sealant against water and air, helping to prevent leaks and corrosion. This combination is particularly useful in applications where waterproofing and durability are crucial, such as in roofing, gutters, or outdoor constructions. The PVC washer also provides a cushion between the screw head and the surface being fastened, reducing the risk of damage and ensuring a secure, long-lasting hold.
Hex Head Self Tapping Screw With PVC Washer is widely used in various applications where a secure and waterproof fastening is required. Common applications include:
Roofing and Cladding: These screws are ideal for attaching metal roofing, siding, and cladding to wood or metal structures, ensuring a watertight seal.
Gutters and Downspouts: They are used to secure gutters and downspouts, preventing water leakage and ensuring the system remains firmly in place.
Outdoor Structures: Suitable for building sheds, fences, and decks, where exposure to the elements necessitates a durable and weather-resistant fastening solution.
HVAC Systems: Often used in the installation of HVAC ductwork and components, providing a reliable and leak-proof connection.
Signage and Displays: Useful for mounting outdoor signs and displays, ensuring they remain securely fastened and protected from the elements.
Automotive and Industrial Applications: In automotive and industrial settings, these screws can be used for securing panels, trim, and other components that require a tight and waterproof seal.
These screws provide a versatile and robust fastening solution for a wide range of projects, especially those that demand resistance to moisture and corrosion.
Materials and Processing
Steel, stainless steel, and zinc or phosphate coatings that improve corrosion resistance are common materials.
Common surface treatments
Dacromet, phosphating, blackening, soap phosphating, and galvanizing.
Washer: PVC
size(mm) | size(mm) | size(mm) |
4.2*13 | 5.5*32 | 6.3*25 |
4.2*16 | 5.5*38 | 6.3*32 |
4.2*19 | 5.5*41 | 6.3*38 |
4.2*25 | 5.5*50 | 6.3*41 |
4.2*32 | 5.5*63 | 6.3*50 |
4.2*38 | 5.5*75 | 6.3*63 |
4.8*13 | 5.5*80 | 6.3*75 |
4.8*16 | 5.5*90 | 6.3*80 |
4.8*19 | 5.5*100 | 6.3*90 |
4.8*25 | 5.5*115 | 6.3*100 |
4.8*32 | 5.5*125 | 6.3*115 |
4.8*38 | 5.5*135 | 6.3*125 |
4.8*45 | 5.5*150 | 6.3*135 |
4.8*50 | 5.5*165 | 6.3*150 |
5.5*19 | 5.5*185 | 6.3*165 |
5.5*25 | 6.3*19 | 6.3*185 |
Note
We offer tailored screw solutions to your specific needs, with various options of materials, screw coatings, head/thread/point/shank types, and sizes.
