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Updated product information. We are reviewing every description in the catalogue. The application area and the materials listed may be incorrect while we set the correct materials on all articles. If in doubt, ask your contact at A4.
Field of Application
Materials
- Wood
For fastening floorboards to wooden substructures (e.g. securing terraces). Suitable for hardwood (e.g. Bankirai, Douglas fir).
Advantages
- Corrosion-resistant installation with A4 stainless steel material.
- No need for separate pre-drilling of wood (preliminary tests advisable for hardwoods. Depending on condition of the wood, pre-drilling and pre-countersinking may be necessary).
- The grooved shank prevents the screw from tearing off.
- Simple countersinking with milling pockets.
- Small raised countersunk head for an aesthetically pleasing look.
Design
With creasing shaft || With grooved shaft || With creasing shaft
Technical specifications
| Design | With creasing shaft |
| Diameter | 5 mm |
| Head diameter | 7.5 mm |
| Head type | Raised countersunk milling head |
| Internal drive | TX20 |
| Length | 50 mm |
| Material | Stainless steel A4 |
| Surface | Plain |
| Thread length (thread for woodwork) | 32 mm |
Expected delivery: 29–30 Sep
Order by Wednesday 23:59 · sent to Reca on Thursday
sebS TT d.screw, raised csunk hd w. mill pckts for trrce const A4, TX 20 5.0x50
Field of Application: For fastening floorboards to wooden substructures (e.g. securing terraces). Suitable for hardwood (e.g. Bankirai, Douglas fir).
| Article number | 021700550 |
| EAN | 4029484468164 |
| Pack unit | pk (250 pcs) |
| Design | With creasing shaft |
| Diameter | 5 mm |
| Head diameter | 7.5 mm |
| Head type | Raised countersunk milling head |
| Internal drive | TX20 |
| Supplier | RECA NORM |
