Crafted from austenitic stainless steel A4, Mex-Complex A4 screws are built for use in demanding outdoor environments, especially with woods rich in tannins, such as tropical hardwoods and thermowood. These screws are ideal for both decking and cladding installations, ensuring strong, reliable fastening that stands the test of time.

Best for: Tropical hardwoods, thermowood, and softwoods
Corrosion Resistance: Exceptional, even in saline and humid environments
Key Applications: Decking, cladding, facades, and outdoor furniture

Description and Benefits of the Mex-Complex A4
Mex-Complex A4, made from austenitic stainless steel A4 is a screw specifically developed for fastening wooden components to wooden substructures. The screw features a special countersunk head, driving threads, a Torx profile, and many other advantages.

Material Description – Stainless Steel A4:
Suitable for wood with a high tannin content, such as Bukit, Teak, Oak, etc., as well as for thermowood and softwood species
Surface treatment by passivation increases corrosion protection
Suitable for saline environments
Acid-resistant under certain conditions
Can be used in service classes 1, 2, and 3 (ČSN EN 1995-1-1)
Suitable for chlorinated environments to a limited extent

Mex-Complex A4 is intended for:
Softwood species: Spruce, Siberian Larch, Silesian Larch, Cedar, Pine (with and without pressure treatment)
Thermowood: Thermowood Pine, Thermowood Ash, Thermowood Spruce
Medium-hardwood species – with high tannin content: Dark Red Meranti - Bukit, Teak, Oak

Size:
4x40 mm, TX 20
4x45 mm, TX20
4x50 mm, TX20
4x55 mm, TX20
4x50 mm, TX20
4,5x40 mm, TX20
4,5x45 mm, TX20
4,5x50 mm, TX20
4,5x60 mm, TX20
4,5x70 mm, TX20
5x40 mm, TX25
5x45 mm, TX25
5x50 mm, TX25
5x60 mm, TX25
5x70 mm, TX25

Packaging: 200 pcs + bit