EXCLUSIVE Otter General Purpose Timber Screws 8g x 20mm Pack of 30 SKU: 231651 MODEL: TIBD0820P Error. try again later You've successfully joined the club $ 6 .11 pack of 30 Available on orders $50 to $1500. More info × 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.