Aluminum Flat Washers | McMaster-Carr

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	Material Material	Show

	Material Material	Hide

Stainless Steel

	Finish Finish

Yellow-Chromate Plated

	System of Measurement System of Measurement

	For Screw Size For Screw Size

	Washer Type Washer Type

	Flat

	OD OD

	ID ID

	Thickness Thickness

0.013" to 0.019"

0.014" to 0.018"

0.018" to 0.023"

0.024" to 0.038"

0.028" to 0.036"

0.030" to 0.055"

0.048" to 0.054"

0.051" to 0.080"

0.052" to 0.072"

0.055" to 0.065"

0.056" to 0.062"

0.057" to 0.067"

0.057" to 0.069"

0.058" to 0.068"

0.059" to 0.069"

0.059" to 0.071"

0.061" to 0.063"

0.068" to 0.088"

0.068" to 0.095"

0.073" to 0.078"

0.080" to 0.100"

0.081" to 0.101"

0.083" to 0.097"

0.098" to 0.106"

0.123" to 0.128"

0.2 to 0.4 mm

0.4 to 0.6 mm

0.7 to 0.9 mm

0.8 to 1.2 mm

0.9 to 1.1 mm

1.3 to 1.7 mm

1.4 to 1.8 mm

1.8 to 2.2 mm

2.3 to 2.7 mm

2.700 to 3.3mm

	Hardness Hardness

	Specifications Met Specifications Met

AN

DIN

ISO

NAS

SAE

	Shape Shape


Ring	Made to Order

	For Rivet Diameter For Rivet Diameter

	Magnetic Properties Magnetic Properties

	Individual/Set Individual/Set

	Number of Layers Number of Layers

	Maximum Shim Size Maximum Shim Size

	Temper Rating Temper Rating

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Fasteners

General Purpose Washers

Metric General Purpose Washers

Use these metric washers to evenly distribute the load under bolt or screw heads and nuts when fastening. They can also act as spacers.

Oversized Washers

Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses for covering oversized holes or for use as spacers and levelers.

Mil. Spec. Washers

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

Washers for Blind Rivets

Also known as backup washers, these are for use with blind rivets for extra support when fastening into soft material.

Metal Sealing Washers

Also known as crush washers, these compress when tightened to form a tighter, more durable seal than rubber washers. They are commonly used to seal fluids such as oil and fuel.

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Peel-Away Layered Ring Shims

These shims are made of layers of metal bonded with adhesive. Remove layers with a utility knife until you get the thickness you need.

Made-to-Order Peel-Away
Layered Shims

Send us a drawing, and we'll cut your custom shim. Shims are made of layers of metal bonded with adhesive; remove layers with a utility knife until you get the thickness you need.

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