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 in some hardwoods).

Brand Name	Spax
Colour	Stainless Steel
Material	A2 Stainless Steel
Manufacturer Model No	7443F
Type	Decking Screws
Certifications Met	ETA-12/0114.
Country of Origin	Germany
Head Type	Cylindrical
Head Type Description	T-Head for Concealed Fixing
Screw Coating	Stainless Steel Coated
Screw Diameter	5mm
Screw Length	50mm
Screwdriver Type	TX
Thread Length	Fully Threaded