4.8 mm x 25 Roofing Screws, Hex Head Self drilling Color (RAL 3009 Oxide Red) Roof Screws With EPDM Sealed Washer, Rust Proof Zinc Plated Hardened Coarse Threads Screw for Outdoor Use (50 pcs)

COLORED HEX HEAD ROOF SCREW: Screw for lightweight housing systems is made of carbon steel and has the highest quality UV-resistant lacquer coating that provides a durable color matching the roofing material. EPDM WASHER: The EPDM: washer ensures protection against moisture and its passage to the self-drilling or construction (cannot be over-tightened or under-tightened). Reduces thermal motion effects. COROSION RESISTANT: Suitable for outdoor use zinc plated steel 12um supports LST EN ISO 12944-2:2000 high corrosion protection standard. RAL Powder coated Hex Head 60-80um collor matcing and resistan to damage during instalation. INSTALATION: SW 8 hex nut driver needed, no predrill neded, self-drilling, fast instalation, self-tapping tip drills through the steel les than in 2s. COMPATIBILITY: Commonly used for thin roof and segments instalation to the wood frame (both hardwood and softwood).