40mm Decking Screws
40mm Decking Screw selection:
You'll find many types of 40mm length decking screws in this category, such as our super popular razr deck pro stainless, razr deck standard and our ceramic coated razr deck highload decking screws
For specific types of screws, please use the top menu or use the filtering panel to the left hand side of the page
All screws are in stock and ready for despatch
Where Should I Use 40mm Decking Screws
40mm decking screws are exactly 40mm in length inclusive of the head and self drilling point. We always recommend 2.5 x timber thickness when screwing down deck boards so these screws are perfect for decking boards up to 16mm thick. If you are screwing into a hardwood joist you can use a shorter screw at 2 times fixture thickness.