EXCLUSIVE Otter Chipboard Screws 6g x 20mm Pack of 500 SKU: 231716 MODEL: CHSD06205 Error. try again later You've successfully joined the club $ 22 .19 pack of 500 Mitre 10 Variants Suitable for indoor use fixing to timber. Countersunk self-embedding head. Self-drilling needle point. Electroplated zinc with a passivated finish. Features and benefits Coarse thread. Needle point.