EXCLUSIVE Otter General Purpose Timber Screws 8g x 13mm Pack of 40 SKU: 231645 MODEL: TIBD0813P Error. try again later You've successfully joined the club $ 5 .20 pack of 40 Mitre 10 Variants Suitable for indoor use fixing to timber. Button head. Self-drilling needle point. Electroplated zinc with a passivated finish. Features and benefits Fine thread. Needle point.