About

Micro external lock washers to Din 6798A are serrated locking washers also known as toothed lock washers.  These washers have teeth / serrations on the outer face of the washer that bite into the surface it is used on providing a better holding power than the similar internal locking washer.

External lock washer (Din 6798A) are most effective when used on softer materials such as aluminium or plastic.

Micro serrated external locking washers are stocked in A2 stainless steel and spring steel with some sizes also available in A4 stainless steel.

For detailed information please click the Technical Drawing tab and refer to the technical information provided below.

Micro toothed / serrated external locking washers are stocked in micro diameters ranging from M2 to M3 in A2 stainless steel and spring steel with some sizes available in A4 stainless steel.

Larger diameters also available, please call for details.

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Technical Drawing