Flange bolt, hexagon head, lock toothing
W-0274, steel 8.8, zinc plated, blue passivated (A2K)
W-0274 8.8 A2K M5X30 SERRATION
Art.-no. 027405 30
EAN 6438190752388
With registration you can access the Würth Elektro online shop selection.
- The locking teeth push into the material of the component that is being screwed and stop it from opening (no unlocking torque in the unscrewing direction)
- The material that is being screwed must demonstrate a significantly lower hardness in comparison to the screw (surface hardness of the screw: min. 250 HV)
- Particularly suited for short clamping lengths
Datasheets(X)
 | |
Thread type x nominal diameter (d) | M5 |
Length (l) | 30 mm |
Head diameter (d) | 11.8 mm |
Head height (k) | 5.4 mm |
Standards | WN 274 |
Material | Steel |
Property class | 8.8 |
Surface | Zinc plated |
Locking device operating principle | Serration |
Locking function | Locking against self-loosening by mechanical interlocking |
Head type | Hexagon head with flange |
Drive type | Outer hexagon |
External drive (s) | WS8 |
Thread type | Metric thread |
Pitch | 0.8 mm |
Thread form | Standard metric thread |
Thread design | Full thread |
RoHS-compliant | Yes |
Last viewed
Flush-mounted switch 10AX – 250V IP20 Valena Life
Hexagon nut, low profile, fine thread
Serrated lock washer/disk, externally serrated, type A
Corner component Instal
Surface-mounted luminaire IP44 Surface Circular 400 Sensor
Serrated lock washer/disk, externally serrated, type A
Corner component KS90 hot dip galvanised, Meka
Hexagon nut, low profile, fine thread
Slotted cable trunking with cut-off groove Trancab
Compact fluorescent lamp Dulux F 2G10