Makita 267487-1 is a genuine flat metal washer.
It is primarily designed for the Makita HM1812 heavy-duty electric breaker.
Flat washers help spread the load of a tightened screw or bolt. This prevents the tool's parts from cracking or loosening under heavy vibration
Brand
Makita
Title
Flat Washer for Makita HM1812 - 267487-1