EXCLUSIVE Otter Roofing & Cladding Timber Screws 12g x 30mm Pack of 50 Galvanised SKU: 231684 MODEL: TING12302 Error. try again later You've successfully joined the club $ 15 .29 pack of 50 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.