A Cup Washer is a concave-shaped washer designed to provide a curved seating surface for screws, bolts, or fasteners. It is used to improve appearance, distribute load, protect surfaces, and provide a secure fit.
Description
Has a cup-shaped (dished) profile instead of a flat surface.
Allows the head of a screw or bolt to sit neatly inside the washer.
Helps prevent surface damage and improves the finished appearance of assemblies.
