Buildex Hex Head With Seal Timber Screws 14G x 90mm Climaseal SKU: 194799 MODEL: X601013 Error. try again later You've successfully joined the club $ 26 .47 pack of 25 Available on orders $50 to $1500. More info × Mitre 10 SAvailable at selected stores. Check your local store for details Variants Type 17 Hex Head Timber Screws with seals are suitable for roofing applications. Features and benefits Superior trade quality. Crest fixing roofing in to timber battens. External use.