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Updated product information. We are reviewing every description in the catalogue. The application area and the materials listed may be incorrect while we set the correct materials on all articles. If in doubt, ask your contact at A4.

Description

The Belleville washer shape achieves optimal friction locking while the helical gearing achieves the best possible form fit.

Advantages

  • Very good protection against pretension loss and loosening of screw connection
  • No rupturing or splintering when tightening

Advice

  • Do not use the washer in applications with direct exposure to the weather or in wet rooms with atmospheres containing chlorine gas.

Technical specifications

Height1 mm
Internal diameter4.3 mm
Locking device operating principleSerration
MaterialSpring steel
Outer diameter7 mm
Suitable for screwM4
SurfaceZinc plated
Thickness0.5 mm

Expected delivery: 29–30 Sep

Order by Wednesday 23:59 · sent to Reca on Thursday

Schnorr lock washer "S", galvanised, 4.3 mm

The Belleville washer shape achieves optimal friction locking while the helical gearing achieves the best possible form fit.

Article number049304
EAN4029484083527
Pack unitpk (500 pcs)
Height1 mm
Internal diameter4.3 mm
Locking device operating principleSerration
MaterialSpring steel
Outer diameter7 mm
SupplierRECA NORM