teks 21404 roofing screw, #9 thread, coarse thread, hex drive, sharp point, steel, zinc, 100 pk

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.

• Drive surface and recess reduces cam-outs to prevent slipping during installation
• Sharp points self-pierces into light gauge metal to start drilling faster
• Corrosion-resistant finish protects the job's appearance with long lasting coating
• Roofing screws feature a neoprene washer that provides a waterproof seal

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/Ramset_100001142_Catalog.pdf
• Specification Sheet https://assets.unilogcorp.com/187/ITEM/DOC/Teks_100003570_Specification_Sheet.pdf