EXCLUSIVE Otter Roofing & Cladding Timber Screws 14g x 75mm Pack of 50 Galvanised SKU: 231712 MODEL: TISG14752 Error. try again later You've successfully joined the club $ 33 .15 pack of 50 Mitre 10 SAvailable at selected stores. Check your local store for details 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. Split coarse thread used in roofing screws to secure roofing material to the screw head.