Buildex Type 17 Decking Screw 12g x 50mm, Pack of 50 Stainless Steel SKU: 274840 MODEL: X982444 Error. try again later You've successfully joined the club $ 48 .76 pack of 50 Mitre 10 SAvailable at selected stores. Check your local store for details Variants Buildex Stainless Steel Decking Screws are designed for deck construction. They're manufactured from stainless steel to accommodate expansion and contraction of decking boards. Features and benefits Marine-grade 316 stainless steel for ultimate corrosion protection. Square drive offers markedly more resistance to cam-out at higher torque.