Mex Flat C1

Inquiry Stock availability Technical data

Product name	Mex-Flat C1
Dimensions	4/5 x 40/50/60 mm
Torx	TX15, TX25
Steel type	Stainless Steel C1
Suitable for	Softwood species
Usage	Decking, outdoor furniture, construction etc.

Description and Benefits of the Mex-Flat C1

Mex-Flat C1, made from martensitic stainless steel C1, is a screw specifically developed for fastening decking boards to wooden substructures.
The screw features an extra flat head, milling and driving threads, a Torx profile, and many other advantages.

Material Description – Stainless Steel C1

Suitable for softwood species and woods with low tannin content, such as pine, spruce, larch, etc.
Surface treatment by passivation increases corrosion protection
High durability: C1 is martensitic stainless steel, hardened, and has 50% higher breakaway torque than austenitic stainless steel A2 and A4
Limited corrosion resistance: Stainless steel C1 is not suitable for use in aggressive environments, such as areas with high salt or chlorine content
Magnetic properties

Mex-Classic C1 is intended for:

Softwood species

Spruce
Siberian Larch*
Silesian Larch*
Pine (with and without pressure treatment)

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.
* It is possible to use, but we recommend consulting with your dealer.

MEX-Flat C1 offer

Art. No.	Screw Name	Size	Torx	Packaging
440C1FLAT	Mex-Flat-C1	4x40 mm	TX15	200 pcs + bit
450C1FLAT	Mex-Flat-C1	4x50 mm	TX15	200 pcs + bit
550C1FLAT	Mex-Flat-C1	5x50 mm	TX25	200 pcs + bit
560C1FLAT	Mex-Flat-C1	5x60 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