Taptite, GEFU DIN 7500-1, hexagon head, thread-forming screw Flanged hexagon head, zinc plated steel
Standard metric thread without cutting. Self-locking Easy and quick to use for joining different materials to metal, with low tightening force.
TAPTITE DIN 7500-DM4X8 ZP Cr+3
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- This Taptite screw self-forms a thread into various steels, light metals, alloys, etc.
- The thread forming torque is always lower than the screw’s maximum screw-in torque.
- Please see standard DIN 7500-2 for reference values for correct pilot hole diameters.
- No chipping occurs during fastening, as the thread is cold-formed into the base material; this also improves connection strength.
- An excellent locking screw for pieces exposed to vibration; the connection might not need separate locking adhesives or washers. Screw-to-hole clearance very small, thread’s thread coverage is large.
- If necessary, normal metric-thread screws may be mounted into threads formed by Taptite screws.
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M4 |
Length (l) | 8 mm |
Collar diameter (d) | 8.5 mm |
Head height (k) | 4.15 mm |
External drive (s) | WS7 |
Standards | DIN 7500 |
Material | Steel |
Surface | Zinc plated |
RoHS-compliant | Yes |
Head type | Hexagon head |
Drive type | Hexagon |
Thread type | Metric thread |
Collar/flange | Yes |
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