Washer

Definition

A Washer is a flat, thin ring or perforated plate used in joints or assemblies to ensure tightness or relieve friction.

Purpose

The purpose of a washer is to improve the performance of fasteners by distributing loads, reducing wear, and preventing leaks in assemblies. Washers help to maintain tight, secure connections and prolong the life of components.

Examples of Use

• Plumbing: Washers create watertight seals in pipe fittings and faucets.
• Automotive: Used in engine assemblies to ensure tight, vibration-resistant connections.
• Machinery: Washers help reduce friction and wear in moving parts and joints.

Related Terms

• Seal: A device used to prevent the passage of fluids or gases.
• Gasket: A material or part used to create a seal between two surfaces.
• Fastener: A hardware device that mechanically joins or affixes two or more objects together.

Notes

Washers are available in various types, including flat, lock, and spring washers, each designed for specific applications. Proper selection and use of washers are crucial for the effectiveness and longevity of assemblies.