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Lock Washers

Tab washers and retaining brackets are suitable for securing locknuts.

Tab washers are used for smaller locknuts (series KM and KML). They have an inner tab and several outer tabs evenly spaced around the circumference. The inner tab grips in the slot on the adapter sleeve or shaft, one of the outer tabs is bent into a slot in the nut for location.

Retaining brackets are used for larger locknuts (series HM30 and HM31). They are fixed to the locknut using a hexagonal screw. They engage in a slot in the nut and in the adapter sleeve or shaft.

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Description

Tab washers

For smaller locknuts

Tab washers MB and MBL are simple, reliable elements for securing smaller locknuts (series KM and KML).

They have an inner tab and several outer tabs evenly spaced around the circumference. The inner tab grips in the slot on the adapter sleeve or shaft, one of the outer tabs is bent into a slot in the nut for location.

The washers are made from steel and the tensile strength of the material is at least 300 N/mm2.

Retaining brackets

For locknuts HM30 and HM31

Retaining brackets  MS are used to secure locknuts HM30 and HM31.

The retaining brackets are fixed to the locknut using a hexagonal screw. They engage in a slot in the nut and in the adapter sleeve or shaft.