Buildex Hex Head Metal Tek Screws 12G x 30mm Climaseal SKU: 194812 MODEL: X085820 Error. try again later You've successfully joined the club $ 24 .47 pack of 50 Available on orders $50 to $1500. More info × Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants These self drilling Metal Tek Screws with hex head are designed for general fixing into metal. Features and benefits Superior trade quality. Full thread. External use. Hex head.