Split Ring Washers | McMaster-Carr

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	Washer Type Washer Type	Show

Split Lock

	Washer Type Washer Type	Hide

	System of Measurement System of Measurement

Inch

Metric

	For Screw Size For Screw Size

	Material Material

	Finish Finish

Hot-Dipped Galvanized

Passivated

Yellow Zinc Plated

Zinc Plated

Zinc Yellow-Chromate Plated

Zinc-Aluminum Coated

	ID ID

	OD OD

	Thickness Thickness

	Split Lock Washer Type Split Lock Washer Type


Standard	Curved

Wave

	Specifications Met Specifications Met

ASME

DIN

Mil. Spec.

	Hardness Hardness

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Fastener Strength Grade/Class Fastener Strength Grade/Class

Grade 8

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	Overall Height Overall Height

	Container Type Container Type

	Head Type Head Type


Socket	Rounded

Hex	Headless

Flat

	Number of Pieces Number of Pieces

	Drive Style Drive Style


External Hex	Hex

Phillips	Slotted

	Container Depth Container Depth

	Container Width Container Width

	Container Length Container Length

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About Washers

Split Lock Washers

As a screw is tightened, these washers flatten to add tension to the joint and prevent loosening from small amounts of vibration.

Metric Split Lock Washers

Mil. Spec. Split Lock Washers

Choose these washers for their adherence to strict military standards for material and construction.

Split Lock Washers for Socket Head Screws

Metric Split Lock Washers for Socket Head Screws

Oversized Split Lock Washers

Compared to standard split lock washers, these are thicker and have larger outside diameters.

Split Lock Washer Assortments