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

	OD OD

	ID ID

	Thickness Thickness

	Specifications Met Specifications Met

ASME

DIN

Mil. Spec.

	Split Lock Washer Type Split Lock Washer Type


Standard	Curved

Wave

	Hardness Hardness

	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

Metal Box

Plastic Box

	Container Depth Container Depth

1 1/2"

1 3/4"

2 1/8"

	Container Length Container Length

	Container Features Container Features

Compartmented

Lid Chart

	Container Width Container Width

4 1/4"

6 3/4"

9 1/2"

	Number of Pieces Number of Pieces

350

755

1,350

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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

As you tighten a bolt, these metric washers flatten to add tension to the threaded joint and prevent loosening from small amounts of vibration.

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