Spring Lock Washers | McMaster-Carr

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Stainless Steel

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0.022" to 0.032"

0.023" to 0.027"

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Phosphate Coated

Zinc Flake Coated

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Corrosion Resistant

Vibration Resistant

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Socket Head Screws

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1,213 Products

Lock Washers

Split Lock

Split Lock Washers

Split Lock Washers

Stop nuts and screws from loosening due to light vibration

Mil. Spec. Split Lock Washers

Mil. Spec. Split Lock Washers

Adhere to U.S. military standards for material and construction

Split Lock Washers for Socket Head Screws

Split Lock Washers for Socket Head Screws

Fit neatly under screws with narrow heads

Split Lock Washer Assortments

Split Lock Washer Assortments

A collection of common sizes to fit the broadest range of applications

Spring Lock

Heavy-Vibration-Resistant Spring Lock Washers

Heavy-Vibration-Resistant Spring Lock Washers

Won't loosen on equipment with constant, vigorous vibration; also known as Belleville washers

Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

Heavy-Vibration-Resistant Spring Lock Washers for Socket Head Screws

Fit neatly under screws with narrow heads; also known as Belleville washers

Wave Spring Lock Washers

Wave Spring Lock Washers

Keep bolted assemblies secure on slightly uneven surfaces

Curved Spring Lock Washers

Curved Spring Lock Washers

A step up from flat washers, these stop nuts and screws from loosening due to slight movement

Wedge Lock

Extreme-Vibration-Resistant Wedge Lock Washers

Extreme-Vibration-Resistant Wedge Lock Washers

The tightest grip of all our washers for use on equipment with jarring starts and stops

Tab Lock

Tab Lock Washers

Tab Lock Washers

Bend the tabs up or down to resist loosening from moderate vibration, such as pumps

Coil Lock

Coil Lock Washers

Coil Lock Washers

Create more tension than split lock washers for a tighter hold on materials that contract and expand

Other Products

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)