Heavy Flat Washers | McMaster-Carr

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System of Measurement

Screw Size

OD

Thickness

0.005" to 0.024"

0.010" to 0.020"

0.010" to 0.030"

0.014" to 0.033"

0.016" to 0.025"

0.018" to 0.032"

0.020" to 0.040"

0.024" to 0.038"

0.025" to 0.039"

0.025" to 0.040"

0.027" to 0.035"

0.028" to 0.045"

0.029" to 0.043"

0.030" to 0.050"

0.030" to 0.070"

0.033" to 0.039"

Material

863 Iron Copper

Polyurethane Rubber

Stainless Steel

ID

Washer Type

Finish

Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Washer Designation

General Purpose

Shaft Diameter

Performance

Corrosion Resistant

Ultra Low Friction

Hardness

Fastener Strength Grade/Class

Specifications Met

Color

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Fastener Strength Rating

Bearing Type

Maximum Temperature

Cage Material

Dynamic Thrust Load Capacity

Less than 2,000 lb.

2,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

Lubrication

Minimum Temperature

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1,374 Products

Washers

Oversized Washers

Oversized Washers

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

General Purpose Washers

General Purpose Washers

Your go-to metal washer for every screw size

USS Washers

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

Undersized Washers

Undersized Washers

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

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Oversized Washer Assortments

Oversized Washer Assortments

A collection of exaggerated sizes to cover large holes or to create gaps

Other Products

Thrust Bearings

Thrust Bearings

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

Thrust Roller Bearing Washers

Thrust Roller Bearing Washers

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

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

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