No. 3 Washers | McMaster-Carr

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System of Measurement

ID

Screw Size

Material

Grade L5 Ceramic

Stainless Steel

OD

Thickness

0.004" to 0.006"

0.005" to 0.006"

0.005" to 0.030"

0.010" to 0.016"

0.013" to 0.019"

0.013" to 0.027"

0.014" to 0.018"

0.015" to 0.017"

0.015" to 0.018"

0.017" to 0.028"

0.018" to 0.032"

0.022" to 0.028"

0.024" to 0.036"

Washer Type

Finish

Zinc Yellow-Chromate Plated

Specifications Met

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

High Temperature

Low Temperature

Moisture Resistant

Washer Designation

General Purpose

Color

Length

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Military Specification

Army-Navy Specification

Military Specification

Shape

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

1,000° F or greater

Passivation

Certification

Overall Height

Sold As

Minimum Temperature

-250° F or less

-49° F to 0° F

Greater than 0° F

How can we improve?

59 Products

Washers

General Purpose Washers

General Purpose Washers

Your go-to metal washer for every screw size

Oversized Washers

Oversized Washers

Exaggerated diameters and thicknesses to cover large holes or to create gaps

Mil. Spec. Washers

Mil. Spec. Washers

Adhere to U.S. military standards for material and construction

SAE Washers

Meet SAE sizing standards and typically have smaller diameters than USS washers

Plastic Washers

Plastic Washers

Lightweight, nonconductive, and naturally rust resistant

Fiberglass Washers

Fiberglass Washers

Best strength-to-weight ratio of all our nonmetal washers

Very-High-Temperature Mica Washers

Very-High-Temperature Mica Washers

Won't melt, stick, or become brittle, even when exposed to temperatures as high as 1050° F

Self-Retaining Washers

Self-Retaining Washers

Assemble screws and washers in advance to save time

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Spacers

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

Magnets

Attract or repel metal objects to hang, secure, or position them

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