Double thread decking screws. Non-threaded middle shank pulls the deckboard down tight while the upper thread locks the board in place. A2 grade stainless steel for protection against corrosion. Recommended for hardwood projects (pre-drilling may be required...

Double thread decking screws with antique finish. Non-threaded middle shank pulls the deckboard down tight while the upper thread locks the board in place. A4 grade stainless steel for the ultimate protection against corrosion. Recommended for hardwood...

Serrations on lower thread for quick and safe fastening. Non-threaded shank allows 2 materials to be pulled tightly together. Upper thread locks the deckboard securely. Cylindrical head for fixing into the groove of the deckboard. Supplied in a handy...