Pair of wedge toothed lock plates narrow
LOCK WASHER DIN25201 A4 M20
Art.-no. 142720
EAN 6417926097986
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Operation:
Two serrated lock plates are connected with a wedge-like joint to ensure extremely durable locking. The screw joint is locked by pretension instead of friction.
- Makes screw joints as secure as possible
- Screw joints will not loosen due to vibration or changes in load
- Easy to attach and remove
- Lubricants won’t affect operation
- Secure connection both with high and low pretension
- Can be used in the same temperature range as screws
- Protects surfaces
- Reusable
Application area
Vehicle and machine construction, manufacturing of pneumatic and electric tools, mining, manufacturing of agricultural equipment and mixing systems, transportation systems.
Product information
Datasheets(X)
 | |
Type description | M20 |
Material | Stainless steel A4 |
DIN | 25201 |
Internal diameter x external diameter x thickness | 21.4 x 30.7 x 3.6 mm |
Suitable for screw thread | M20 |
Surface | Plain |
Product weight (per item) | 8.800 g |
Nominal diameter | 21.400 mm |
Thickness | 3.6 mm |