External Tooth Washers

External tooth lock washer as the name suggest have external teeth radially outward to provide maximum torsional resistance. These tooth lock washers are best for large headed screws like pan head, round head, binding head, washer head, etc, where the heads make contact with the washer teeth.

There is a another version with conical shaped external tooth lock washer under DIN 6797 V. BoltPort provides most of its supply of external teeth lock washer in zinc plated steel, stainless steel 304, 316 & 410, etc.