ASME Washers | McMaster-Carr

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System of Measurement

Screw Size

Material

Washer Type

Finish

Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Thickness

Fastener Strength Grade/Class

Washer Designation

Thread Size

Performance

Electrically Insulating

ASME Designation

Hardness

Color

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Fastener Strength Rating

RoHS

Compliant with Exemptions

Not Compliant

Military Specification

Army-Navy Specification

Military Specification

Length

REACH

Tooth Location

Internal and External

Certification

ASME BPVC.VIII

Mil. Spec.

Shape

Round

Export Control Classification Number (ECCN)

2,569 Products

Fastening and Joining

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

1,052 products

Lock Washers

Resist vibration to prevent fasteners from loosening

684 products

Retaining Rings

Hold components on a shaft

751 products

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

64 products

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

8 products

Facility and Grounds Maintenance

Glassware Rinsers

Rinse the inside of glasses, tubes, or beakers with a simple press

1 product

Fluid Handling

Strainers

Install next to valves and pumps to catch debris in your line

5 products