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.
- Aluminium
For St 12, St 13, St 14, St 33, St 37, UST 37, RSt 37, St 44, St 50, St 52, other unalloyed steels with a tensile strength up to 510 N/mm2, plus aluminium and other soft metals. Suitable for use in very thick materials (≥ 4.0-12 mm).
Advice
- Minimum screw length = clamping force + material thickness + drill bit tip length + 3 mm. Only permitted for securing inner shells (note Z-14.1-4).
- Do not use the screw in applications with direct exposure to the weather or in wet rooms with atmospheres containing chlorine gas.
Technical specifications
| Diameter | 5.5 mm |
| Drill tip length | 13.5 mm |
| External drive | WS8 |
| Head diameter | 11 mm |
| Head height | 5.4 mm |
| Length | 38 mm |
| Material | Steel |
| Max. drilling capacity | 12.0 mm |
| Max. grip length | 17.5 mm |
| Min. grip length | 9.5 mm |
| Min. material thickness | 4.0 mm |
| Min./max. grip length | 9.5-17.5 mm |
| Surface | Zinc plated |
Expected delivery: 29–30 Sep
Order by Wednesday 23:59 · sent to Reca on Thursday
sebS hex. head dr. screw w. long dia., sim. to DIN 7504-K, galv, 8 AF 5.5 x 38
Field of Application: For St 12, St 13, St 14, St 33, St 37, UST 37, RSt 37, St 44, St 50, St 52, other unalloyed steels with a tensile strength up to 510 N/mm2, plus aluminium and other soft metals. Suitable for use in very thick materials (≥ 4.0-12 mm). Advice: Minimum screw length = clamping force + material thickness + drill bit tip length + 3 mm. Only permitted for securing inner shells (note Z-14.1-4).
| Article number | 021405538 |
| EAN | 4029484053018 |
| Pack unit | pk (250 pcs) |
| Diameter | 5.5 mm |
| Drill tip length | 13.5 mm |
| External drive | WS8 |
| Head diameter | 11 mm |
| Head height | 5.4 mm |
| Supplier | RECA NORM |



