Pan head screw with hexalobular head Similar to DIN 7985, steel 8.8, plain
Similar to DIN 7985, steel 8.8, plain, TX
SCR-RSD-SIDIN7985-8.8-TX20-M4X25
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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
Datasheets(X)
CAD data (available after login)
 | |
Thread type x nominal diameter (d1) | M4 |
Length (l1) | 25 mm |
Head diameter (dk) | 8 mm |
Head height (k1) | 3.1 mm |
Standards | WN 7985 |
Material | Steel |
Property class | 8.8 |
Surface | Plain |
RoHS-compliant | Yes |
Head type | Pan head |
Drive type | Internal hexalobular |
Internal drive | TX20 |
Thread type | Metric thread |
Pitch | 0.7 mm |
Thread form | Standard metric thread |
Product class | A |
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