DIN Flat Washers | McMaster-Carr

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System of Measurement

Screw Size

Material

Stainless Steel

Washer Type

OD

ID

Thickness

0.2 mm to 0.3 mm

0.2 mm to 0.4 mm

0.3 mm to 0.4 mm

0.3 mm to 0.5 mm

0.4 mm to 0.6 mm

0.5 mm to 0.6 mm

0.5 mm to 0.7 mm

0.6 mm to 0.9 mm

0.6 mm to 1.0 mm

Finish

Corrosion-Resistant Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Washer Designation

General Purpose

Fastener Strength Grade/Class

Performance

Corrosion Resistant

Electrically Insulating

High Temperature

Impact Resistant

Precision Adjust

Stress Resistant

Weather Resistant

Color

Overall Height

Shaft Diameter

RoHS

Compliant with Exemptions

Fastener Strength Rating

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Shape

Adhesive Thickness

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

Passivation

Fastener Head Type

How can we improve?

1,298 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

Undersized Washers

Undersized Washers

Pair with fasteners that have narrow heads, such as cheese and socket head screws

Structural Washers

Structural Washers

Distribute pressure under structural screws and nuts in columns, joists, and I-beams

Plastic Washers

Plastic Washers

Lightweight, nonconductive, and naturally rust resistant

Hard Fiber Washers

Hard Fiber Washers

Least likely to scratch delicate mounting surfaces

Adhesive-Back Washers

Adhesive-Back Washers

Stick on your surface to prevent slipping while you fasten

General Purpose Washer Assortments

General Purpose Washer Assortments

A collection of common washer sizes to fit the broadest range of applications

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Bearing Washers

Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground surfaces

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

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