Spax SK T 3.5x45 mm universal screws, blue-zinc WIROX, Torx T10 drive, 200 pcs. Part-threaded for wood and composite fastening with corrosion-resistant finish.
Spax Universal Screws SK T 3.5x45 mm – Blue-Zinc Plated WIROX Fasteners for Demanding Applications
Spax Universal Screws in SK T designation are precision-engineered fasteners designed for reliable wood and composite connections. The blue-zinc-plated WIROX surface provides enhanced corrosion resistance, making them suitable for both indoor and outdoor use where moisture exposure is a concern.
200-piece pack of 3.5 x 45 mm universal screws with Torx T10 drive for secure, slip-free installation
Blue-zinc-plated WIROX coating delivers superior corrosion protection compared to standard zinc plating
Part-threaded design ensures strong grip in wood and composite materials while allowing easy alignment
Flat countersunk head sits flush with the surface for a clean, finished appearance
What Sets Spax Universal Screws Apart
Spax universal screws combine a Torx T10 star-plus drive with a precision-ground SK T thread profile. The blue-zinc WIROX finish is a step up from standard galvanised coatings, offering longer service life in humid or outdoor environments without the visual drawbacks of white-zinc alternatives.
Ideal for
Professional tradespeople and DIY builders working with softwood, hardwood, and engineered wood panels. The 3.5 x 45 mm dimensions and countersunk head make these screws well suited for furniture assembly, cabinetry, and general woodworking projects where a flush finish and reliable hold are required.
Application of Spax Universal Screws
Pre-drill a pilot hole matching the screw core diameter to prevent splitting
Drive the screw using a Torx T10 bit at moderate speed until the countersunk head sits flush
For outdoor use, ensure the workpiece is treated or sealed to maximise the WIROX coating lifespan
Spax is a German fastener manufacturer specialising in screws and anchors for wood, metal, and concrete applications. The brand is known for its systematic approach to fastener design, with product lines differentiated by head type, drive system, thread profile, and surface treatment. Spax products are widely used in professional construction and woodworking.
The SK T designation indicates a countersunk flat-head screw with a Torx T10 drive, designed for wood and composite materials. The 3.5 x 45 mm size is suited for general fastening tasks in furniture, cabinetry, and structural woodworking.
WIROX is Spax's designation for a blue-zinc plating process that provides enhanced corrosion resistance compared to standard white-zinc galvanising. It is particularly suitable for outdoor or humid environments where long-term surface protection is required.
These screws have a part-threaded (Teilgewinde) design, meaning the threaded portion does not extend to the full shaft length. This allows for easier alignment and a stronger grip in the unthreaded shank section.
The product contains 200 Spax SK T 3.5 x 45 mm universal screws in blue-zinc WIROX finish with Torx T10 drive, supplied in a single pack.
Pre-drill a pilot hole matching the screw core diameter, then drive the screw with a Torx T10 bit until the countersunk head is flush with the surface. For outdoor applications, treat or seal the workpiece to protect the WIROX coating.
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