Hexalobular screw with flattened half round head
DIN 34805-1 steel 010.9, plain TX
SCR-DIN34805/1-010.9-TX20-(BLK)-M4X16
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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
Due to their head geometry, these screws can only be subjected to limited loads, see DIN EN ISO 898-1
 | |
Thread type x nominal diameter (d1) | M4 |
Length (l1) | 16 mm |
Head diameter (dk) | 7.6 mm |
Head height (k1) | 2.45 mm |
Standards | DIN 34805-1 |
Material | Steel |
Property class | 010.9 |
Surface | Plain |
Head type | Button head |
Drive type | Internal hexalobular |
Internal drive | TX20 |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Full thread |
Product class | A |
RoHS-compliant | Yes |
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