EXCLUSIVE Otter Roofing & Cladding Timber Screws 12g x 25mm Pack of 15 Galvanised SKU: 231683 MODEL: TING1225P Error. try again later You've successfully joined the club $ 5 .98 pack of 15 Available on orders $50 to $1500.More info × Mitre 10 Variants Suitable for outdoor use fixing to timber. Mechanical galvanising to class 3. Features and benefits Hex flanged head with EDPM washer. Self-drilling type 17 point. Coarse thread for use in lighter density materials.