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Conical washers Sperrkant

March 2014


As a completion of its range of products, Growermetal also offers  the Conical Washers Sperrkant. This product shows a knurled ring on its contact surface with the screw’s underhead which, thanks to its particular “Z” form,  offers an high anti-scrwing performance. These washers can be successfully used with bolts and screws of class 6.8, 8.8 and 10.9 in the following application fields:


– Electromechanical field

– Heavy mechanical sector

– Automotive

– General security connections


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