Metric Spring Lock Washers | McMaster-Carr

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System of Measurement

Screw Size

Washer Type

Material

Stainless Steel

ID

OD

Thickness

0.4 mm to 0.6 mm

0.5 mm to 0.7 mm

0.7 mm to 0.9 mm

0.8 mm to 1.0 mm

0.9 mm to 1.1 mm

1.1 mm to 1.3 mm

Finish

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Specifications Met

Performance

Corrosion Resistant

Vibration Resistant

Overall Height

RoHS

REACH

Hardness

Height

DFARS Specialty Metals

Color

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

For Bearing Nut Face Style

Serration Location

Tab Width

Tab Depth

Number of Waves

For Bearing Nut Specifications Met

Container Type

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613 Products

Lock Washers

Split Lock

Split Lock Washers

Split Lock Washers

Stop nuts and screws from loosening due to light vibration

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

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

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

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

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.)