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Washer (hardware)

A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. Other uses are as a spacer, spring (Belleville washer, wave washer), wear pad, preload indicating device, locking device, and to reduce vibration (rubber…

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Overview

Washer types

Materials

Type and form

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Washer (hardware)

Nodes70
Edges69
Triples11
Avg. degree1.97
Density0.028571
Components1

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Important terminology

washers washer used steel surface flat corrosion form standard metric also rubber materials type spring phenolic din sometimes usually due

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
electricalSpring washersinstance ofor provide some sort of insulation0.80text
which have axial flexibilityinstance ofor provide some sort of insulation0.80text
are used to prevent fastening or loosening due to vibrationsLocking washersinstance ofor provide some sort of insulation0.80text
which prevent fastening or loosening by preventing unscrewing rotation of the fastening deviceinstance ofor provide some sort of insulation0.80text
those used to seal the control valve in tapsinstance ofGasketsThe term washer is often applied to various gasket types0.80text
polyethyleneinstance ofThermoplastics and thermosetting polymers0.80text
PTFEinstance ofThermoplastics and thermosetting polymers0.80text
paperinstance ofis sometimes used for stamped washers from laminated materials0.80text
canvasinstance ofis sometimes used for stamped washers from laminated materials0.80text
and Mylar.Corrosion resistanceA number of techniques are used to enhance the corrosion resistant properties of certain washer materialsinstance ofis sometimes used for stamped washers from laminated materials0.80text
chromium or silver.Phosphatinginstance ofThis method involves coating the washer by electrolytic deposition using metals0.80text

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