Reverse Thread Inverted Thread Deck Screw Cap Head Wood Screws
Positive and negative thread, cap head wood screws
Head: pan head/Cap-head/Truss Head/Mushroom
Thread: Inverted middle threads /Reverse thread
Material: Carbon Steel, hardened
Drive: Six-lobe/Torx Recess
Place of origin: Jiaxing, China
Category: Deck Screw, Wood Screws
Designed for use with all types of composite decking. Thanks to the special head design, the installation gives a cleaner, less obtrusive appearance and is available in a wide range of colours to match most composite decking products.
Cap-head and inverted middle threads (Reverse thread).
Resistant to salt spray.
Features and benefits:
Triple thread provides exceptional grip. First thread secures the screw into the joist or substrate, second thread draws swarf beneath the surface of the joist allowing the top board to sit flush and third thread secures board to joist. Supplied with TX driver bit.