Mex Complex A4

Inquiry Stock availability Technical data

Product name	Mex-Complex A4
Dimensions	4/4,5/5 x 40/45/50/60/70 mm
Torx	TX20, TX25
Steel type	Stainless Steel A4
Suitable for	Softwood species, Thermowood, Medium-hardwood species
Usage	Cladding, outdoor furniture, construction etc.

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

Note: This recommendation may not apply to all usage scenarios. The properties and lifespan of the screw can be influenced by specific environmental conditions. Therefore, we recommend consulting with your dealer.

MEX-Complex A4 offer

Art. No.	Screw Name	Size	Torx	Packaging
440A4COM	Mex-Complex-A4	4x40 mm	TX20	200 pcs + bit
445A4COM	Mex-Complex-A4	4x45 mm	TX20	200 pcs + bit
450A4COM	Mex-Complex-A4	4x50 mm	TX20	200 pcs + bit
455A4COM	Mex-Complex-A4	4x55 mm	TX20	200 pcs + bit
460A4COM	Mex-Complex-A4	4x60 mm	TX20	200 pcs + bit
4540A4COM	Mex-Complex-A4	4,5x40 mm	TX20	200 pcs + bit
4545A4COM	Mex-Complex-A4	4,5x4,5 mm	TX20	200 pcs + bit
4550A4COM	Mex-Complex-A4	4,5x50 mm	TX20	200 pcs + bit
4560A4COM	Mex-Complex-A4	4,5x60 mm	TX20	200 pcs + bit
4570A4COM	Mex-Complex-A4	4,5x70 mm	TX20	200 pcs + bit
540A4COM	Mex-Complex-A4	5x40 mm	TX25	200 pcs + bit
545A4COM	Mex-Complex-A4	5x45 mm	TX25	200 pcs + bit
550A4COM	Mex-Complex-A4	5x50 mm	TX25	200 pcs + bit
560A4COM	Mex-Complex-A4	5x60 mm	TX25	200 pcs + bit
570A4COM	Mex-Complex-A4	5x70 mm	TX25	200 pcs + bit

During installation, it is recommended to pre-drill holes for the screws to ensure accuracy and reduce the risk of material damage.


With pre-drilling	Without pre-drilling

Why choose the Mex screw collection for wood?

Proven stainless steel screws guaranteeing 100% high-quality material
Optimized screw geometry for wooden decking, cladding and construction
Competitive pricing without compromising on quality
Comprehensive marketing support for partners
Full range of accessories for wooden terraces and facades (bits, drills, etc.)
Expertly trained agents in timber and steel, ensuring quality control
Multiple delivery options with online shipment tracking for full transparency
Large stock availability with fast responses to any volume request
Complete installation system with advanced accessories
CE-certified products ensure compliance with industry standards
Commitment to consumer education for informed purchasing decisions
Decades of experience in both Czech and international markets