Hexalobular screw with flattened half round head and collar DIN 34805-2, TX drive, A2-070 stainless steel
DIN 34805-2 A2 stainless steel 070 plain TX
SCR-DIN34805/2-A2/070-TX20-M4X40
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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:
- Low tool wear
- Tool does not slip because force is distributed optimally
Due to their head geometry, these screws can only be subjected to limited loads; see DIN EN ISO 3506-1
Datasheets(X)
CAD data (available after login)
 | |
Thread type x nominal diameter (d1) | M4 |
Length (l1) | 40 mm |
Head diameter (dc) | 9.4 mm |
Head height (k1) | 2.45 mm |
Internal drive | TX20 |
Standards | DIN 34805-2 |
Material | Stainless steel A2 |
Property class | 070 |
Surface | Plain |
Head type | Button head with collar |
Head details | With collar |
Drive type | Internal hexalobular |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Partial thread |
Product class | A |
RoHS-compliant | Yes |
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