GEFU® thread-rolling screw With flat head and hexalobular drive (Txplus), serrated
GEFU DIN 7500-1 steel zinc plated flat head TXP
SCR-PANHD-UKV-TXP20-(A2K)-M4,0X9
Art.-no.
02090409
EAN 4050642494817
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DIN 7500-1, case-hardened (-O-) zinc-plated steel, blue passivated (A2K) without anti-friction coating
For a secure connection in thin sheet metal (up to approx. 520 N/mm²):
- Thread-cutting zone for forming rim holes
- Special round under-head geometry for high tightening and overturning torques
- Play-free and self-locking thread seating => Reduced likelihood of screw working loose => Protection against loss
- Toothing under the head for increased breakaway torque
Notice
The suitability of the GEFU for the application or component in question must be determined by preliminary testing!
Application area

1. Apply
2. Thread tapping and creation of eyelet in sheet metal
3. Tighten
Pre-hole diameter recommendations: | |||
Nominal diameter | Sheet thickness mm | Pre-hole diameter mm | Tightening torque Nm |
M4 | 0,5 | 2,6 | 2 |
0,6 | 2,9 | 2,7 | |
0,85 | 3,1 | 3,2 | |
All specifications are determined empirically for sheets made of material St12 (tensile strength approx. 350 N/mm²) |
Product information
Datasheets(X)
Application area
For a secure connection in thin sheet metal (up to approx. 520 N/mm²)