| Product name | Mex-Flat-Alu A4 |
| Dimensions | 5,5 x 46/51 mm |
| Torx | TX25 |
| Steel type | Stainless Steel A4 |
| Suitable for | Softwood, Thermowood, Hardwood |
| Usage | Decking, outdoor furniture, construction etc. |
Mex-Flat-ALU-A4 made of austenitic stainless steel A4 is a screw that was developed specifically for fastening terrace boards to aluminum base profiles.
The screw has a reinforced shank, additional drive thread, specially designed tip, 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 |
| 5546A4ALU | Mex-Flat-Alu-A4 | 5,5x46 mm | TX25 | 200 pcs + bit |
| 5551A4ALU | Mex-Flat-Alu-A4 | 5,5x51 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 |