EXCLUSIVE Otter General Purpose Timber Screws 8g x 13mm Pack of 100 SKU: 231657 MODEL: TIBG08133 Error. try again later You've successfully joined the club $ 9 .57 pack of 100 Available on orders $50 to $1500.More info × Mitre 10 Variants Suitable for outdoor use fixing to timber. Button head. Self-drilling needle point. Mechanical galvanising. Features and benefits Fine thread. Needle point.