| Product name | Mex-Flat A4 |
| Dimensions | 5,5 x 40/50/60/70 mm |
| Torx | TX25 |
| Steel type | Stainless Steel A4 |
| Suitable for | Softwood, Thermowood, Hardwood |
| Usage | Decking, outdoor furniture, construction etc. |
Mex-Flat A4, made from austenitic stainless steel A4, is a screw specifically developed for fastening decking boards to wooden substructures.
The screw features a trilobular geometry, an extra reinforced shank, an additional driving thread, a Torx profile, and many other advantages.
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Softwood species
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Thermowood
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Hardwood species – with high tannin content
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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.
| Art. No. | Screw Name | Size | Torx | Packaging |
| 5540A4FLAT | Mex-Flat-A4 | 5,5x40 mm | TX25 | 200 pcs + bit |
| 5550A4FLAT | Mex-Flat-A4 | 5,5x50 mm | TX25 | 200 pcs + bit |
| 5560A4FLAT | Mex-Flat-A4 | 5,5x60 mm | TX25 | 200 pcs + bit |
| 5570A4FLAT | Mex-Flat-A4 | 5,5x70 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.
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| With pre-drilling | Without pre-drilling |