Fortress Chipboard Screws 8g x 50mm Zinc SKU: 244271 MODEL: SFQ850J Error. try again later You've successfully joined the club $ 9 .98 pack of 100 Mitre 10 SAvailable at selected stores. Check your local store for details Variants Multi-purpose timber Screw can be used in a wide variety of applications. Suitable for indoor use fixing to timber. Features and benefits Countersunk self-embedding head. Square drive for high torque applications. Self-drilling needle point. Coarse thread for use in lighter density materials.