| 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.
 
                         
                        
| Softwood species 
 | Thermowood 
 | Hardwood species – with high tannin content 
 | 
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.
|  |  | 
| With pre-drilling | Without pre-drilling | 
