EXCLUSIVE Otter Sheet Metal Screws 8g x 20mm Pack of 50 SKU: 231550 MODEL: SECS08202SQ Error. try again later You've successfully joined the club $ 9 .30 pack of 50 Available on orders $50 to $1500.More info × Mitre 10 Variants Suitable for outdoor use fixing to metal. Countersunk head. Tapered AB point. 302 grade stainless steel. Features and benefits Self-tapping thread. AB point (Gimlet point).