Made from high-grade austenitic stainless steel, Mex-Classic A4 screws provide excellent corrosion resistance, making them ideal for outdoor use in demanding environments. Perfect for fastening hardwoods and thermowood with high tannin content, these screws are essential for decks, outdoor furniture, and structural wood projects exposed to harsh conditions.

Best for: Tropical hardwoods, thermowood, and softwoods
Corrosion Resistance: Outstanding, suitable for saline and acidic environments
Key Applications: Decks, facades, outdoor structures

Description and Benefits of the Mex-Classic A4
Mex-Classic A4, made from austenitic stainless steel A4, is a screw specifically developed for fastening wooden components to support wooden structures. The screw features a rounded head, driving thread, Torx profile, and many other advantages.

Material Description – Stainless Steel A4:
Suitable for woods with high tannin content, such as Cumaru, Merbau, Bangkirai, etc., as well as for thermowood and softwoods.
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-Classic 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
Hardwood species – with high tannin content: Bangkirai, Massaranduba, Dark Red Meranti - Bukit, Merbau, Garapa, Ipe, Teak, Cumaru, Oak

Size:
4x40 mm, TX15
4,5x50 mm, TX20
5x40 mm, TX25
5x50 mm, TX25
5x60 mm, TX25
5x70 mm, TX25

Packaging: 200 pcs + bit