Lock washer, Schnorr washer S
Plain steel ST
LOCK WASHER S ST M8X13X0,7
With registration you can access the Würth Elektro online shop selection.
The Belleville washer form features angled teeth to create an optimum and simultaneous friction-fit and form-fit connection.
It makes sense in many cases—primarily when using short screws and loads which are vertical to the screw axis—to prevent the connection loosening by using lock washers to supplement the pre-tensioning force. The lock washers prevent connection loosening by increasing the pre-tensile force.
Datasheets(X)
![]() | |
Suitable for screw thread | M8 |
Internal diameter (d) | 8.4 mm |
Outer diameter (d) | 13 mm |
Height (h) | 1.4 mm |
Thickness (s) | 0.7 mm |
Material | Spring steel |
Surface | Plain |
RoHS-compliant | Yes |
Form | S |
Notice | It makes sense in many cases—primarily when using short screws and loads which are vertical to the screw axis—to prevent the connection loosening by using lock washers to supplement the pre-tensioning force. The lock washers prevent connection loosening by increasing the pre-tensile force. |