Hex Drilling Screw Cap 100/200Pcs Low Temp Resistant Covers Fit 5.2mm Self-Drilling Tail Screws Cold Area Construction

### Description These 5.2mm external hex head self-drilling screw caps deliver durable, leak-proof and high-efficiency fastening solutions for construction and industrial fastening scenarios. ### Key Features 1. **Superior Performance**: Effectively protects screws from external damage, provides sturdy, deformation-resistant fastening support, and greatly improves on-site work efficiency. 2. **Excellent Rust & Corrosion Resistance**: Premium surface treatment forms a dense protective coating, which can withstand harsh outdoor conditions including high humidity and high-salt environments, significantly extending the service life of screw assemblies. 3. **Reliable Leak-proof Seal**: Made of hard engineering plastic, it fits tightly to the installation surface after tightening, effectively blocks rain, dust and moisture penetration, and avoids water damage to fixed structures. It is perfectly suitable for rooftop and exterior panel installation. 4. **High Torsion & Load Bearing Capacity**: Matched screw bodies are forged from high-quality carbon steel, with outstanding torsion and bending strength. It is not easy to deform or break even under heavy loads, providing long-term stable and safe fixing effect. 5. **Customizable Specifications**: We provide a full range of standard sizes, as well as non-standard customization services, which can fully meet your diverse fastening needs in various construction scenarios. ### Specifications - Material: Engineering plastic - Size: 7*10.6*19.3*17*1.18mm - Compatibility: Specially designed for 5.2mm countersunk external hex head screws - Color: White / blue waterproof cap - Pack quantity: 100 pieces / 200 pieces per set - Application: Roofing installation, metal sheet fixation, steel structure connection, construction engineering, furniture assembly ### Package Includes 1 set of 5.2mm external hex screw caps (100pcs / 200pcs optional) ### Notes 1. Product photos do not show the actual size, please refer to the description for specific size details before purchasing. 2. Please allow slight size deviation caused by manual measurement, thank you for your understanding. 3. The actual color of the product may be slightly different from the picture due to different monitor settings. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.