Self-sealing neoprene washer for waterproof applications. Premium finish provides exceptional corrosion resistance in harsh outdoor environments. For metal-to-metal (26-22 ga) or metal-to-wood applications. Applications - attaching roofing and wall panels to steel framing, roofing panels over insulation to wood structure, pole barn construction.
Product Details
Manufacturer: ITW BUILDEX AND ILLINOIS TOOL WORKS
Manufacturer's Part Number: 21404
Show me more Sheet Metal Screws
Product Features
- Roofing screws feature a neoprene washer that provides a waterproof seal
- Sharp points self-pierces into light gauge metal to start drilling faster
- Drive surface and recess reduces cam-outs to prevent slipping during installation
- Corrosion-resistant finish protects the job's appearance with long lasting coating
Product Specifications
| Color | Light Gray |
| Drive Size | 1/4 in |
| Drive Type | Hex |
| Finish | Zinc |
| Material | Steel |
| Package Quantity | 100 PK |
| Point Type | Sharp |
| Thread Length | 1-1/2 in |
| Thread Size | #9 |
| Thread Type | Coarse |
Product Documents
| Catalog | Click here to download |
| Specification Sheet | Click here to download |