Hexalobular screw with flattened half round head
DIN 34805-1 steel 10.9 zinc-plated TX
SCR-DIN34805/1-010.9-TX25-(A2K)-M5X20
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Increase in assembly productivity
When elements are joined using hexalobular (TX) fasteners, the force is transmitted over a large surface area across the flanks of the drive rather than being centred on one point, as is the case with hexagon socket drives, for example. This has a number of advantages:
- Reduced tool wear
- Tool does not slip because force is distributed optimally
- No damage to surface coating
- No wobbling
- Screw locates securely
Hexalobular drives must comply with DIN EN ISO 10664
- As a result, connection elements with hexalobular heads are standardised and can be used all over the world
Due to their head geometry, these screws can only be subjected to limited loads, see DIN EN ISO 898-1
Datasheets(X)
CAD data (available after login)
 | |
Thread type x nominal diameter (d1) | M5 |
Length (l1) | 20 mm |
Head diameter (dk) | 9.5 mm |
Head height (k1) | 3.00 mm |
Standards | DIN 34805-1 |
Material | Steel |
Property class | 010.9 |
Surface | Zinc plated |
Head type | Button head |
Drive type | Internal hexalobular |
Internal drive | TX25 |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Full thread |
Product class | A |
RoHS-compliant | Yes |
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